Home / 13,152,001.20-19,700,008.20-10,912,513.20

Finding the Fourth Proportional to 13,152,001.20, 19,700,008.20 and 10,912,513.20

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Solution

The fourth proportional to 13,152,001.20, 19,700,008.20 and 10,912,513.20 is: 16,345,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,001.20 : 19,700,008.20 = 10,912,513.20 : x
  2. Step 2: Convert to fraction form
    13,152,001.20/19,700,008.20 = 10,912,513.20/x
  3. Step 3: Cross multiply
    13,152,001.20x = 19,700,008.20 × 10,912,513.20
  4. Step 4: Simplify right side
    13,152,001.20x = 214,976,599,522,608.22
  5. Step 5: Solve for x
    x = 214,976,599,522,608.22/13,152,001.20
  6. Step 6: Final answer
    x = 16,345,542.88

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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.