Home / 42,590,442.10-63,885,663.15-13,837,515.70

Finding the Fourth Proportional to 42,590,442.10, 63,885,663.15 and 13,837,515.70

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Solution

The fourth proportional to 42,590,442.10, 63,885,663.15 and 13,837,515.70 is: 20,756,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590,442.10 : 63,885,663.15 = 13,837,515.70 : x
  2. Step 2: Convert to fraction form
    42,590,442.10/63,885,663.15 = 13,837,515.70/x
  3. Step 3: Cross multiply
    42,590,442.10x = 63,885,663.15 × 13,837,515.70
  4. Step 4: Simplify right side
    42,590,442.10x = 884,018,866,843,036.38
  5. Step 5: Solve for x
    x = 884,018,866,843,036.38/42,590,442.10
  6. Step 6: Final answer
    x = 20,756,273.55

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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.