Home / 13,309,213.01-18,366,769.28-7,197,641.51

Finding the Fourth Proportional to 13,309,213.01, 18,366,769.28 and 7,197,641.51

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Solution

The fourth proportional to 13,309,213.01, 18,366,769.28 and 7,197,641.51 is: 9,932,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,213.01 : 18,366,769.28 = 7,197,641.51 : x
  2. Step 2: Convert to fraction form
    13,309,213.01/18,366,769.28 = 7,197,641.51/x
  3. Step 3: Cross multiply
    13,309,213.01x = 18,366,769.28 × 7,197,641.51
  4. Step 4: Simplify right side
    13,309,213.01x = 132,197,420,846,498.75
  5. Step 5: Solve for x
    x = 132,197,420,846,498.75/13,309,213.01
  6. Step 6: Final answer
    x = 9,932,775.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.