Home / 30,171,898.80-45,257,848.20-11,003,281.20

Finding the Fourth Proportional to 30,171,898.80, 45,257,848.20 and 11,003,281.20

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Solution

The fourth proportional to 30,171,898.80, 45,257,848.20 and 11,003,281.20 is: 16,504,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171,898.80 : 45,257,848.20 = 11,003,281.20 : x
  2. Step 2: Convert to fraction form
    30,171,898.80/45,257,848.20 = 11,003,281.20/x
  3. Step 3: Cross multiply
    30,171,898.80x = 45,257,848.20 × 11,003,281.20
  4. Step 4: Simplify right side
    30,171,898.80x = 497,984,830,251,513.81
  5. Step 5: Solve for x
    x = 497,984,830,251,513.81/30,171,898.80
  6. Step 6: Final answer
    x = 16,504,921.80

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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.