Home / 28,098,856.56-38,777,273.97-15,709,472.00

Finding the Fourth Proportional to 28,098,856.56, 38,777,273.97 and 15,709,472.00

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Solution

The fourth proportional to 28,098,856.56, 38,777,273.97 and 15,709,472.00 is: 21,679,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098,856.56 : 38,777,273.97 = 15,709,472.00 : x
  2. Step 2: Convert to fraction form
    28,098,856.56/38,777,273.97 = 15,709,472.00/x
  3. Step 3: Cross multiply
    28,098,856.56x = 38,777,273.97 × 15,709,472.00
  4. Step 4: Simplify right side
    28,098,856.56x = 609,170,499,474,157.38
  5. Step 5: Solve for x
    x = 609,170,499,474,157.38/28,098,856.56
  6. Step 6: Final answer
    x = 21,679,547.64

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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.