Home / 8,176,543.20-12,264,814.80-6,263,355.60

Finding the Fourth Proportional to 8,176,543.20, 12,264,814.80 and 6,263,355.60

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Solution

The fourth proportional to 8,176,543.20, 12,264,814.80 and 6,263,355.60 is: 9,395,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,543.20 : 12,264,814.80 = 6,263,355.60 : x
  2. Step 2: Convert to fraction form
    8,176,543.20/12,264,814.80 = 6,263,355.60/x
  3. Step 3: Cross multiply
    8,176,543.20x = 12,264,814.80 × 6,263,355.60
  4. Step 4: Simplify right side
    8,176,543.20x = 76,818,896,460,542.88
  5. Step 5: Solve for x
    x = 76,818,896,460,542.88/8,176,543.20
  6. Step 6: Final answer
    x = 9,395,033.40

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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.