Home / 13,593,829.31-18,759,562.47-7,398,861.25

Finding the Fourth Proportional to 13,593,829.31, 18,759,562.47 and 7,398,861.25

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Solution

The fourth proportional to 13,593,829.31, 18,759,562.47 and 7,398,861.25 is: 10,210,470.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,829.31 : 18,759,562.47 = 7,398,861.25 : x
  2. Step 2: Convert to fraction form
    13,593,829.31/18,759,562.47 = 7,398,861.25/x
  3. Step 3: Cross multiply
    13,593,829.31x = 18,759,562.47 × 7,398,861.25
  4. Step 4: Simplify right side
    13,593,829.31x = 138,799,399,826,237.28
  5. Step 5: Solve for x
    x = 138,799,399,826,237.28/13,593,829.31
  6. Step 6: Final answer
    x = 10,210,470.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.