Home / 10,931,869.12-16,407,754.80-5,818,591.84

Finding the Fourth Proportional to 10,931,869.12, 16,407,754.80 and 5,818,591.84

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Solution

The fourth proportional to 10,931,869.12, 16,407,754.80 and 5,818,591.84 is: 8,733,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,869.12 : 16,407,754.80 = 5,818,591.84 : x
  2. Step 2: Convert to fraction form
    10,931,869.12/16,407,754.80 = 5,818,591.84/x
  3. Step 3: Cross multiply
    10,931,869.12x = 16,407,754.80 × 5,818,591.84
  4. Step 4: Simplify right side
    10,931,869.12x = 95,470,028,192,000.83
  5. Step 5: Solve for x
    x = 95,470,028,192,000.83/10,931,869.12
  6. Step 6: Final answer
    x = 8,733,184.34

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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.