Home / 8,020,172.40-12,030,258.60-6,691,569.90

Finding the Fourth Proportional to 8,020,172.40, 12,030,258.60 and 6,691,569.90

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Solution

The fourth proportional to 8,020,172.40, 12,030,258.60 and 6,691,569.90 is: 10,037,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,172.40 : 12,030,258.60 = 6,691,569.90 : x
  2. Step 2: Convert to fraction form
    8,020,172.40/12,030,258.60 = 6,691,569.90/x
  3. Step 3: Cross multiply
    8,020,172.40x = 12,030,258.60 × 6,691,569.90
  4. Step 4: Simplify right side
    8,020,172.40x = 80,501,316,336,976.14
  5. Step 5: Solve for x
    x = 80,501,316,336,976.14/8,020,172.40
  6. Step 6: Final answer
    x = 10,037,354.85

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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.