Home / 10,362,838.20-15,516,263.70-8,123,350.20

Finding the Fourth Proportional to 10,362,838.20, 15,516,263.70 and 8,123,350.20

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Solution

The fourth proportional to 10,362,838.20, 15,516,263.70 and 8,123,350.20 is: 12,163,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,838.20 : 15,516,263.70 = 8,123,350.20 : x
  2. Step 2: Convert to fraction form
    10,362,838.20/15,516,263.70 = 8,123,350.20/x
  3. Step 3: Cross multiply
    10,362,838.20x = 15,516,263.70 × 8,123,350.20
  4. Step 4: Simplify right side
    10,362,838.20x = 126,044,043,830,647.73
  5. Step 5: Solve for x
    x = 126,044,043,830,647.73/10,362,838.20
  6. Step 6: Final answer
    x = 12,163,081.33

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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.