Home / 42,580,402.20-63,869,681.12-11,874,162.24

Finding the Fourth Proportional to 42,580,402.20, 63,869,681.12 and 11,874,162.24

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Solution

The fourth proportional to 42,580,402.20, 63,869,681.12 and 11,874,162.24 is: 17,810,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,402.20 : 63,869,681.12 = 11,874,162.24 : x
  2. Step 2: Convert to fraction form
    42,580,402.20/63,869,681.12 = 11,874,162.24/x
  3. Step 3: Cross multiply
    42,580,402.20x = 63,869,681.12 × 11,874,162.24
  4. Step 4: Simplify right side
    42,580,402.20x = 758,398,955,776,574.12
  5. Step 5: Solve for x
    x = 758,398,955,776,574.12/42,580,402.20
  6. Step 6: Final answer
    x = 17,810,986.20

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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.