Home / 42,384,623.40-63,576,935.10-15,121,700.10

Finding the Fourth Proportional to 42,384,623.40, 63,576,935.10 and 15,121,700.10

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Solution

The fourth proportional to 42,384,623.40, 63,576,935.10 and 15,121,700.10 is: 22,682,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,384,623.40 : 63,576,935.10 = 15,121,700.10 : x
  2. Step 2: Convert to fraction form
    42,384,623.40/63,576,935.10 = 15,121,700.10/x
  3. Step 3: Cross multiply
    42,384,623.40x = 63,576,935.10 × 15,121,700.10
  4. Step 4: Simplify right side
    42,384,623.40x = 961,391,345,859,363.50
  5. Step 5: Solve for x
    x = 961,391,345,859,363.50/42,384,623.40
  6. Step 6: Final answer
    x = 22,682,550.15

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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.