Home / 12,868,233.20-19,317,095.40-7,552,444.40

Finding the Fourth Proportional to 12,868,233.20, 19,317,095.40 and 7,552,444.40

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Solution

The fourth proportional to 12,868,233.20, 19,317,095.40 and 7,552,444.40 is: 11,337,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,233.20 : 19,317,095.40 = 7,552,444.40 : x
  2. Step 2: Convert to fraction form
    12,868,233.20/19,317,095.40 = 7,552,444.40/x
  3. Step 3: Cross multiply
    12,868,233.20x = 19,317,095.40 × 7,552,444.40
  4. Step 4: Simplify right side
    12,868,233.20x = 145,891,288,977,995.75
  5. Step 5: Solve for x
    x = 145,891,288,977,995.75/12,868,233.20
  6. Step 6: Final answer
    x = 11,337,320.88

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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.