Home / 10,932,455.60-16,398,683.40-8,381,538.80

Finding the Fourth Proportional to 10,932,455.60, 16,398,683.40 and 8,381,538.80

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Solution

The fourth proportional to 10,932,455.60, 16,398,683.40 and 8,381,538.80 is: 12,572,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932,455.60 : 16,398,683.40 = 8,381,538.80 : x
  2. Step 2: Convert to fraction form
    10,932,455.60/16,398,683.40 = 8,381,538.80/x
  3. Step 3: Cross multiply
    10,932,455.60x = 16,398,683.40 × 8,381,538.80
  4. Step 4: Simplify right side
    10,932,455.60x = 137,446,201,186,015.92
  5. Step 5: Solve for x
    x = 137,446,201,186,015.92/10,932,455.60
  6. Step 6: Final answer
    x = 12,572,308.20

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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.