Home / 8,675,948.80-13,013,923.20-6,436,460.80

Finding the Fourth Proportional to 8,675,948.80, 13,013,923.20 and 6,436,460.80

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Solution

The fourth proportional to 8,675,948.80, 13,013,923.20 and 6,436,460.80 is: 9,654,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,948.80 : 13,013,923.20 = 6,436,460.80 : x
  2. Step 2: Convert to fraction form
    8,675,948.80/13,013,923.20 = 6,436,460.80/x
  3. Step 3: Cross multiply
    8,675,948.80x = 13,013,923.20 × 6,436,460.80
  4. Step 4: Simplify right side
    8,675,948.80x = 83,763,606,531,010.55
  5. Step 5: Solve for x
    x = 83,763,606,531,010.55/8,675,948.80
  6. Step 6: Final answer
    x = 9,654,691.20

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Double scale
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Similar ratio
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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.