Home / 12,906,306.32-17,810,157.11-7,025,818.25

Finding the Fourth Proportional to 12,906,306.32, 17,810,157.11 and 7,025,818.25

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Solution

The fourth proportional to 12,906,306.32, 17,810,157.11 and 7,025,818.25 is: 9,695,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,306.32 : 17,810,157.11 = 7,025,818.25 : x
  2. Step 2: Convert to fraction form
    12,906,306.32/17,810,157.11 = 7,025,818.25/x
  3. Step 3: Cross multiply
    12,906,306.32x = 17,810,157.11 × 7,025,818.25
  4. Step 4: Simplify right side
    12,906,306.32x = 125,130,926,734,625.39
  5. Step 5: Solve for x
    x = 125,130,926,734,625.39/12,906,306.32
  6. Step 6: Final answer
    x = 9,695,332.16

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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.