Home / 12,083,854.40-18,125,781.60-6,709,083.20

Finding the Fourth Proportional to 12,083,854.40, 18,125,781.60 and 6,709,083.20

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Solution

The fourth proportional to 12,083,854.40, 18,125,781.60 and 6,709,083.20 is: 10,063,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,854.40 : 18,125,781.60 = 6,709,083.20 : x
  2. Step 2: Convert to fraction form
    12,083,854.40/18,125,781.60 = 6,709,083.20/x
  3. Step 3: Cross multiply
    12,083,854.40x = 18,125,781.60 × 6,709,083.20
  4. Step 4: Simplify right side
    12,083,854.40x = 121,607,376,819,429.14
  5. Step 5: Solve for x
    x = 121,607,376,819,429.14/12,083,854.40
  6. Step 6: Final answer
    x = 10,063,624.80

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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.