Home / 17,939,117.70-26,904,302.55-5,158,289.70

Finding the Fourth Proportional to 17,939,117.70, 26,904,302.55 and 5,158,289.70

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Solution

The fourth proportional to 17,939,117.70, 26,904,302.55 and 5,158,289.70 is: 7,736,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939,117.70 : 26,904,302.55 = 5,158,289.70 : x
  2. Step 2: Convert to fraction form
    17,939,117.70/26,904,302.55 = 5,158,289.70/x
  3. Step 3: Cross multiply
    17,939,117.70x = 26,904,302.55 × 5,158,289.70
  4. Step 4: Simplify right side
    17,939,117.70x = 138,780,186,729,348.75
  5. Step 5: Solve for x
    x = 138,780,186,729,348.75/17,939,117.70
  6. Step 6: Final answer
    x = 7,736,176.83

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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.