Home / 13,565,275.49-18,720,250.42-7,370,425.64

Finding the Fourth Proportional to 13,565,275.49, 18,720,250.42 and 7,370,425.64

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Solution

The fourth proportional to 13,565,275.49, 18,720,250.42 and 7,370,425.64 is: 10,171,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,275.49 : 18,720,250.42 = 7,370,425.64 : x
  2. Step 2: Convert to fraction form
    13,565,275.49/18,720,250.42 = 7,370,425.64/x
  3. Step 3: Cross multiply
    13,565,275.49x = 18,720,250.42 × 7,370,425.64
  4. Step 4: Simplify right side
    13,565,275.49x = 137,976,213,664,870.80
  5. Step 5: Solve for x
    x = 137,976,213,664,870.80/13,565,275.49
  6. Step 6: Final answer
    x = 10,171,279.88

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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.