Home / 10,362,831.70-15,516,253.95-8,123,343.70

Finding the Fourth Proportional to 10,362,831.70, 15,516,253.95 and 8,123,343.70

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Solution

The fourth proportional to 10,362,831.70, 15,516,253.95 and 8,123,343.70 is: 12,163,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,831.70 : 15,516,253.95 = 8,123,343.70 : x
  2. Step 2: Convert to fraction form
    10,362,831.70/15,516,253.95 = 8,123,343.70/x
  3. Step 3: Cross multiply
    10,362,831.70x = 15,516,253.95 × 8,123,343.70
  4. Step 4: Simplify right side
    10,362,831.70x = 126,043,863,772,332.61
  5. Step 5: Solve for x
    x = 126,043,863,772,332.61/10,362,831.70
  6. Step 6: Final answer
    x = 12,163,071.58

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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.