Home / 12,087,225.20-18,134,045.40-5,260,869.20

Finding the Fourth Proportional to 12,087,225.20, 18,134,045.40 and 5,260,869.20

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Solution

The fourth proportional to 12,087,225.20, 18,134,045.40 and 5,260,869.20 is: 7,892,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,225.20 : 18,134,045.40 = 5,260,869.20 : x
  2. Step 2: Convert to fraction form
    12,087,225.20/18,134,045.40 = 5,260,869.20/x
  3. Step 3: Cross multiply
    12,087,225.20x = 18,134,045.40 × 5,260,869.20
  4. Step 4: Simplify right side
    12,087,225.20x = 95,400,840,916,261.67
  5. Step 5: Solve for x
    x = 95,400,840,916,261.67/12,087,225.20
  6. Step 6: Final answer
    x = 7,892,699.88

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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.