Home / 10,362,843.20-15,516,271.20-8,123,355.20

Finding the Fourth Proportional to 10,362,843.20, 15,516,271.20 and 8,123,355.20

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Solution

The fourth proportional to 10,362,843.20, 15,516,271.20 and 8,123,355.20 is: 12,163,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,843.20 : 15,516,271.20 = 8,123,355.20 : x
  2. Step 2: Convert to fraction form
    10,362,843.20/15,516,271.20 = 8,123,355.20/x
  3. Step 3: Cross multiply
    10,362,843.20x = 15,516,271.20 × 8,123,355.20
  4. Step 4: Simplify right side
    10,362,843.20x = 126,044,182,337,130.23
  5. Step 5: Solve for x
    x = 126,044,182,337,130.23/10,362,843.20
  6. Step 6: Final answer
    x = 12,163,088.83

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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.