Home / 10,780,587.60-16,170,881.40-10,001,140.80

Finding the Fourth Proportional to 10,780,587.60, 16,170,881.40 and 10,001,140.80

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Solution

The fourth proportional to 10,780,587.60, 16,170,881.40 and 10,001,140.80 is: 15,001,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,587.60 : 16,170,881.40 = 10,001,140.80 : x
  2. Step 2: Convert to fraction form
    10,780,587.60/16,170,881.40 = 10,001,140.80/x
  3. Step 3: Cross multiply
    10,780,587.60x = 16,170,881.40 × 10,001,140.80
  4. Step 4: Simplify right side
    10,780,587.60x = 161,727,261,741,501.12
  5. Step 5: Solve for x
    x = 161,727,261,741,501.12/10,780,587.60
  6. Step 6: Final answer
    x = 15,001,711.20

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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.