Home / 28,728,363.71-43,092,261.55-13,161,776.78

Finding the Fourth Proportional to 28,728,363.71, 43,092,261.55 and 13,161,776.78

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Solution

The fourth proportional to 28,728,363.71, 43,092,261.55 and 13,161,776.78 is: 19,742,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,363.71 : 43,092,261.55 = 13,161,776.78 : x
  2. Step 2: Convert to fraction form
    28,728,363.71/43,092,261.55 = 13,161,776.78/x
  3. Step 3: Cross multiply
    28,728,363.71x = 43,092,261.55 × 13,161,776.78
  4. Step 4: Simplify right side
    28,728,363.71x = 567,170,727,466,476.75
  5. Step 5: Solve for x
    x = 567,170,727,466,476.75/28,728,363.71
  6. Step 6: Final answer
    x = 19,742,535.05

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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.