Home / 19,935,270.66-29,903,856.43-9,687,921.78

Finding the Fourth Proportional to 19,935,270.66, 29,903,856.43 and 9,687,921.78

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Solution

The fourth proportional to 19,935,270.66, 29,903,856.43 and 9,687,921.78 is: 14,532,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935,270.66 : 29,903,856.43 = 9,687,921.78 : x
  2. Step 2: Convert to fraction form
    19,935,270.66/29,903,856.43 = 9,687,921.78/x
  3. Step 3: Cross multiply
    19,935,270.66x = 29,903,856.43 × 9,687,921.78
  4. Step 4: Simplify right side
    19,935,270.66x = 289,706,222,014,190
  5. Step 5: Solve for x
    x = 289,706,222,014,190/19,935,270.66
  6. Step 6: Final answer
    x = 14,532,344.55

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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.