Home / 31,506,798.38-43,478,306.88-17,378,544.74

Finding the Fourth Proportional to 31,506,798.38, 43,478,306.88 and 17,378,544.74

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Solution

The fourth proportional to 31,506,798.38, 43,478,306.88 and 17,378,544.74 is: 23,981,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,798.38 : 43,478,306.88 = 17,378,544.74 : x
  2. Step 2: Convert to fraction form
    31,506,798.38/43,478,306.88 = 17,378,544.74/x
  3. Step 3: Cross multiply
    31,506,798.38x = 43,478,306.88 × 17,378,544.74
  4. Step 4: Simplify right side
    31,506,798.38x = 755,589,701,333,529.75
  5. Step 5: Solve for x
    x = 755,589,701,333,529.75/31,506,798.38
  6. Step 6: Final answer
    x = 23,981,798.86

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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.