Home / 8,142,948.12-11,238,650.64-4,707,180.84

Finding the Fourth Proportional to 8,142,948.12, 11,238,650.64 and 4,707,180.84

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Solution

The fourth proportional to 8,142,948.12, 11,238,650.64 and 4,707,180.84 is: 6,496,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,948.12 : 11,238,650.64 = 4,707,180.84 : x
  2. Step 2: Convert to fraction form
    8,142,948.12/11,238,650.64 = 4,707,180.84/x
  3. Step 3: Cross multiply
    8,142,948.12x = 11,238,650.64 × 4,707,180.84
  4. Step 4: Simplify right side
    8,142,948.12x = 52,902,360,960,061.74
  5. Step 5: Solve for x
    x = 52,902,360,960,061.74/8,142,948.12
  6. Step 6: Final answer
    x = 6,496,708.59

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Double scale
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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.