Home / 30,024,068.80-45,036,103.20-10,855,451.20

Finding the Fourth Proportional to 30,024,068.80, 45,036,103.20 and 10,855,451.20

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Solution

The fourth proportional to 30,024,068.80, 45,036,103.20 and 10,855,451.20 is: 16,283,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,024,068.80 : 45,036,103.20 = 10,855,451.20 : x
  2. Step 2: Convert to fraction form
    30,024,068.80/45,036,103.20 = 10,855,451.20/x
  3. Step 3: Cross multiply
    30,024,068.80x = 45,036,103.20 × 10,855,451.20
  4. Step 4: Simplify right side
    30,024,068.80x = 488,887,220,525,763.81
  5. Step 5: Solve for x
    x = 488,887,220,525,763.81/30,024,068.80
  6. Step 6: Final answer
    x = 16,283,176.80

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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.