Home / 10,528,727.20-15,793,090.80-9,332,000.80

Finding the Fourth Proportional to 10,528,727.20, 15,793,090.80 and 9,332,000.80

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Solution

The fourth proportional to 10,528,727.20, 15,793,090.80 and 9,332,000.80 is: 13,998,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528,727.20 : 15,793,090.80 = 9,332,000.80 : x
  2. Step 2: Convert to fraction form
    10,528,727.20/15,793,090.80 = 9,332,000.80/x
  3. Step 3: Cross multiply
    10,528,727.20x = 15,793,090.80 × 9,332,000.80
  4. Step 4: Simplify right side
    10,528,727.20x = 147,381,135,980,072.66
  5. Step 5: Solve for x
    x = 147,381,135,980,072.66/10,528,727.20
  6. Step 6: Final answer
    x = 13,998,001.20

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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.