Home / 19,231,663.20-28,823,000.40-7,859,263.20

Finding the Fourth Proportional to 19,231,663.20, 28,823,000.40 and 7,859,263.20

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Solution

The fourth proportional to 19,231,663.20, 28,823,000.40 and 7,859,263.20 is: 11,778,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231,663.20 : 28,823,000.40 = 7,859,263.20 : x
  2. Step 2: Convert to fraction form
    19,231,663.20/28,823,000.40 = 7,859,263.20/x
  3. Step 3: Cross multiply
    19,231,663.20x = 28,823,000.40 × 7,859,263.20
  4. Step 4: Simplify right side
    19,231,663.20x = 226,527,546,357,305.28
  5. Step 5: Solve for x
    x = 226,527,546,357,305.28/19,231,663.20
  6. Step 6: Final answer
    x = 11,778,884.85

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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.