Home / 8,170,459.20-12,255,688.80-5,300,677.80

Finding the Fourth Proportional to 8,170,459.20, 12,255,688.80 and 5,300,677.80

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Solution

The fourth proportional to 8,170,459.20, 12,255,688.80 and 5,300,677.80 is: 7,951,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,459.20 : 12,255,688.80 = 5,300,677.80 : x
  2. Step 2: Convert to fraction form
    8,170,459.20/12,255,688.80 = 5,300,677.80/x
  3. Step 3: Cross multiply
    8,170,459.20x = 12,255,688.80 × 5,300,677.80
  4. Step 4: Simplify right side
    8,170,459.20x = 64,963,457,545,868.64
  5. Step 5: Solve for x
    x = 64,963,457,545,868.64/8,170,459.20
  6. Step 6: Final answer
    x = 7,951,016.70

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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.