Home / 8,902,609.32-12,281,700.21-5,229,869.05

Finding the Fourth Proportional to 8,902,609.32, 12,281,700.21 and 5,229,869.05

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Solution

The fourth proportional to 8,902,609.32, 12,281,700.21 and 5,229,869.05 is: 7,214,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,609.32 : 12,281,700.21 = 5,229,869.05 : x
  2. Step 2: Convert to fraction form
    8,902,609.32/12,281,700.21 = 5,229,869.05/x
  3. Step 3: Cross multiply
    8,902,609.32x = 12,281,700.21 × 5,229,869.05
  4. Step 4: Simplify right side
    8,902,609.32x = 64,231,683,748,249
  5. Step 5: Solve for x
    x = 64,231,683,748,249/8,902,609.32
  6. Step 6: Final answer
    x = 7,214,927.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.