Home / 8,295,304.60-12,442,956.90-6,878,128.60

Finding the Fourth Proportional to 8,295,304.60, 12,442,956.90 and 6,878,128.60

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Solution

The fourth proportional to 8,295,304.60, 12,442,956.90 and 6,878,128.60 is: 10,317,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295,304.60 : 12,442,956.90 = 6,878,128.60 : x
  2. Step 2: Convert to fraction form
    8,295,304.60/12,442,956.90 = 6,878,128.60/x
  3. Step 3: Cross multiply
    8,295,304.60x = 12,442,956.90 × 6,878,128.60
  4. Step 4: Simplify right side
    8,295,304.60x = 85,584,257,722,457.34
  5. Step 5: Solve for x
    x = 85,584,257,722,457.34/8,295,304.60
  6. Step 6: Final answer
    x = 10,317,192.90

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1.5x scale

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.