Home / 8,520,884.40-12,781,326.60-6,617,319.60

Finding the Fourth Proportional to 8,520,884.40, 12,781,326.60 and 6,617,319.60

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Solution

The fourth proportional to 8,520,884.40, 12,781,326.60 and 6,617,319.60 is: 9,925,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,884.40 : 12,781,326.60 = 6,617,319.60 : x
  2. Step 2: Convert to fraction form
    8,520,884.40/12,781,326.60 = 6,617,319.60/x
  3. Step 3: Cross multiply
    8,520,884.40x = 12,781,326.60 × 6,617,319.60
  4. Step 4: Simplify right side
    8,520,884.40x = 84,578,123,024,181.36
  5. Step 5: Solve for x
    x = 84,578,123,024,181.36/8,520,884.40
  6. Step 6: Final answer
    x = 9,925,979.40

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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.