Home / 18,721,459.92-25,833,777.48-10,571,123.28

Finding the Fourth Proportional to 18,721,459.92, 25,833,777.48 and 10,571,123.28

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Solution

The fourth proportional to 18,721,459.92, 25,833,777.48 and 10,571,123.28 is: 14,587,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721,459.92 : 25,833,777.48 = 10,571,123.28 : x
  2. Step 2: Convert to fraction form
    18,721,459.92/25,833,777.48 = 10,571,123.28/x
  3. Step 3: Cross multiply
    18,721,459.92x = 25,833,777.48 × 10,571,123.28
  4. Step 4: Simplify right side
    18,721,459.92x = 273,092,046,529,167.72
  5. Step 5: Solve for x
    x = 273,092,046,529,167.72/18,721,459.92
  6. Step 6: Final answer
    x = 14,587,112.74

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1.5x scale

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.