Home / 13,309,209.24-18,366,764.10-7,197,637.74

Finding the Fourth Proportional to 13,309,209.24, 18,366,764.10 and 7,197,637.74

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Solution

The fourth proportional to 13,309,209.24, 18,366,764.10 and 7,197,637.74 is: 9,932,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,209.24 : 18,366,764.10 = 7,197,637.74 : x
  2. Step 2: Convert to fraction form
    13,309,209.24/18,366,764.10 = 7,197,637.74/x
  3. Step 3: Cross multiply
    13,309,209.24x = 18,366,764.10 × 7,197,637.74
  4. Step 4: Simplify right side
    13,309,209.24x = 132,197,314,447,837.16
  5. Step 5: Solve for x
    x = 132,197,314,447,837.16/13,309,209.24
  6. Step 6: Final answer
    x = 9,932,770.01

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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.