Home / 20,819,446.42-28,679,500.10-17,712,017.32

Finding the Fourth Proportional to 20,819,446.42, 28,679,500.10 and 17,712,017.32

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Solution

The fourth proportional to 20,819,446.42, 28,679,500.10 and 17,712,017.32 is: 24,398,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,446.42 : 28,679,500.10 = 17,712,017.32 : x
  2. Step 2: Convert to fraction form
    20,819,446.42/28,679,500.10 = 17,712,017.32/x
  3. Step 3: Cross multiply
    20,819,446.42x = 28,679,500.10 × 17,712,017.32
  4. Step 4: Simplify right side
    20,819,446.42x = 507,971,802,500,141.75
  5. Step 5: Solve for x
    x = 507,971,802,500,141.75/20,819,446.42
  6. Step 6: Final answer
    x = 24,398,910.15

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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.