Home / 15,472,267.20-23,161,161.60-12,071,044.80

Finding the Fourth Proportional to 15,472,267.20, 23,161,161.60 and 12,071,044.80

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Solution

The fourth proportional to 15,472,267.20, 23,161,161.60 and 12,071,044.80 is: 18,069,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,267.20 : 23,161,161.60 = 12,071,044.80 : x
  2. Step 2: Convert to fraction form
    15,472,267.20/23,161,161.60 = 12,071,044.80/x
  3. Step 3: Cross multiply
    15,472,267.20x = 23,161,161.60 × 12,071,044.80
  4. Step 4: Simplify right side
    15,472,267.20x = 279,579,419,293,639.72
  5. Step 5: Solve for x
    x = 279,579,419,293,639.72/15,472,267.20
  6. Step 6: Final answer
    x = 18,069,712.45

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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.