Home / 20,852,148.71-31,279,925.19-10,472,029.37

Finding the Fourth Proportional to 20,852,148.71, 31,279,925.19 and 10,472,029.37

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Solution

The fourth proportional to 20,852,148.71, 31,279,925.19 and 10,472,029.37 is: 15,708,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,148.71 : 31,279,925.19 = 10,472,029.37 : x
  2. Step 2: Convert to fraction form
    20,852,148.71/31,279,925.19 = 10,472,029.37/x
  3. Step 3: Cross multiply
    20,852,148.71x = 31,279,925.19 × 10,472,029.37
  4. Step 4: Simplify right side
    20,852,148.71x = 327,564,295,281,253.06
  5. Step 5: Solve for x
    x = 327,564,295,281,253.06/20,852,148.71
  6. Step 6: Final answer
    x = 15,708,898.87

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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.