Home / 8,404,447.20-12,606,670.80-8,341,461.60

Finding the Fourth Proportional to 8,404,447.20, 12,606,670.80 and 8,341,461.60

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Solution

The fourth proportional to 8,404,447.20, 12,606,670.80 and 8,341,461.60 is: 12,512,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,447.20 : 12,606,670.80 = 8,341,461.60 : x
  2. Step 2: Convert to fraction form
    8,404,447.20/12,606,670.80 = 8,341,461.60/x
  3. Step 3: Cross multiply
    8,404,447.20x = 12,606,670.80 × 8,341,461.60
  4. Step 4: Simplify right side
    8,404,447.20x = 105,158,060,382,041.28
  5. Step 5: Solve for x
    x = 105,158,060,382,041.28/8,404,447.20
  6. Step 6: Final answer
    x = 12,512,192.40

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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.