Home / 18,864,200.70-28,296,301.05-5,401,028.70

Finding the Fourth Proportional to 18,864,200.70, 28,296,301.05 and 5,401,028.70

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Solution

The fourth proportional to 18,864,200.70, 28,296,301.05 and 5,401,028.70 is: 8,101,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,200.70 : 28,296,301.05 = 5,401,028.70 : x
  2. Step 2: Convert to fraction form
    18,864,200.70/28,296,301.05 = 5,401,028.70/x
  3. Step 3: Cross multiply
    18,864,200.70x = 28,296,301.05 × 5,401,028.70
  4. Step 4: Simplify right side
    18,864,200.70x = 152,829,134,074,890.16
  5. Step 5: Solve for x
    x = 152,829,134,074,890.16/18,864,200.70
  6. Step 6: Final answer
    x = 8,101,543.05

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Similar ratio
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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.