Home / 6,520,994.60-9,781,491.90-5,465,985.80

Finding the Fourth Proportional to 6,520,994.60, 9,781,491.90 and 5,465,985.80

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Solution

The fourth proportional to 6,520,994.60, 9,781,491.90 and 5,465,985.80 is: 8,198,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,994.60 : 9,781,491.90 = 5,465,985.80 : x
  2. Step 2: Convert to fraction form
    6,520,994.60/9,781,491.90 = 5,465,985.80/x
  3. Step 3: Cross multiply
    6,520,994.60x = 9,781,491.90 × 5,465,985.80
  4. Step 4: Simplify right side
    6,520,994.60x = 53,465,495,828,215.02
  5. Step 5: Solve for x
    x = 53,465,495,828,215.02/6,520,994.60
  6. Step 6: Final answer
    x = 8,198,978.70

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Similar ratio
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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.