Home / 18,890,287.93-28,337,456.85-5,243,492.17

Finding the Fourth Proportional to 18,890,287.93, 28,337,456.85 and 5,243,492.17

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Solution

The fourth proportional to 18,890,287.93, 28,337,456.85 and 5,243,492.17 is: 7,865,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890,287.93 : 28,337,456.85 = 5,243,492.17 : x
  2. Step 2: Convert to fraction form
    18,890,287.93/28,337,456.85 = 5,243,492.17/x
  3. Step 3: Cross multiply
    18,890,287.93x = 28,337,456.85 × 5,243,492.17
  4. Step 4: Simplify right side
    18,890,287.93x = 148,587,233,126,446.59
  5. Step 5: Solve for x
    x = 148,587,233,126,446.59/18,890,287.93
  6. Step 6: Final answer
    x = 7,865,800.33

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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.