Home / 9,111,753.72-12,574,339.40-4,981,789.66

Finding the Fourth Proportional to 9,111,753.72, 12,574,339.40 and 4,981,789.66

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Solution

The fourth proportional to 9,111,753.72, 12,574,339.40 and 4,981,789.66 is: 6,874,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111,753.72 : 12,574,339.40 = 4,981,789.66 : x
  2. Step 2: Convert to fraction form
    9,111,753.72/12,574,339.40 = 4,981,789.66/x
  3. Step 3: Cross multiply
    9,111,753.72x = 12,574,339.40 × 4,981,789.66
  4. Step 4: Simplify right side
    9,111,753.72x = 62,642,714,004,250.61
  5. Step 5: Solve for x
    x = 62,642,714,004,250.61/9,111,753.72
  6. Step 6: Final answer
    x = 6,874,934.94

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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.