Home / 30,166,498.80-45,249,748.20-10,997,881.20

Finding the Fourth Proportional to 30,166,498.80, 45,249,748.20 and 10,997,881.20

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Solution

The fourth proportional to 30,166,498.80, 45,249,748.20 and 10,997,881.20 is: 16,496,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166,498.80 : 45,249,748.20 = 10,997,881.20 : x
  2. Step 2: Convert to fraction form
    30,166,498.80/45,249,748.20 = 10,997,881.20/x
  3. Step 3: Cross multiply
    30,166,498.80x = 45,249,748.20 × 10,997,881.20
  4. Step 4: Simplify right side
    30,166,498.80x = 497,651,355,033,513.81
  5. Step 5: Solve for x
    x = 497,651,355,033,513.81/30,166,498.80
  6. Step 6: Final answer
    x = 16,496,821.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.