Home / 18,864,803.91-26,031,711.51-10,915,972.32

Finding the Fourth Proportional to 18,864,803.91, 26,031,711.51 and 10,915,972.32

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Solution

The fourth proportional to 18,864,803.91, 26,031,711.51 and 10,915,972.32 is: 15,063,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,803.91 : 26,031,711.51 = 10,915,972.32 : x
  2. Step 2: Convert to fraction form
    18,864,803.91/26,031,711.51 = 10,915,972.32/x
  3. Step 3: Cross multiply
    18,864,803.91x = 26,031,711.51 × 10,915,972.32
  4. Step 4: Simplify right side
    18,864,803.91x = 284,161,442,285,385.44
  5. Step 5: Solve for x
    x = 284,161,442,285,385.44/18,864,803.91
  6. Step 6: Final answer
    x = 15,063,047.76

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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.