Home / 8,391,285.60-12,590,038.80-8,080,245.60

Finding the Fourth Proportional to 8,391,285.60, 12,590,038.80 and 8,080,245.60

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Solution

The fourth proportional to 8,391,285.60, 12,590,038.80 and 8,080,245.60 is: 12,123,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,285.60 : 12,590,038.80 = 8,080,245.60 : x
  2. Step 2: Convert to fraction form
    8,391,285.60/12,590,038.80 = 8,080,245.60/x
  3. Step 3: Cross multiply
    8,391,285.60x = 12,590,038.80 × 8,080,245.60
  4. Step 4: Simplify right side
    8,391,285.60x = 101,730,605,617,529.28
  5. Step 5: Solve for x
    x = 101,730,605,617,529.28/8,391,285.60
  6. Step 6: Final answer
    x = 12,123,363.51

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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.