Home / 7,565,700-10,428,469.43-5,117,418.20

Finding the Fourth Proportional to 7,565,700, 10,428,469.43 and 5,117,418.20

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Solution

The fourth proportional to 7,565,700, 10,428,469.43 and 5,117,418.20 is: 7,053,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565,700 : 10,428,469.43 = 5,117,418.20 : x
  2. Step 2: Convert to fraction form
    7,565,700/10,428,469.43 = 5,117,418.20/x
  3. Step 3: Cross multiply
    7,565,700x = 10,428,469.43 × 5,117,418.20
  4. Step 4: Simplify right side
    7,565,700x = 53,366,839,259,225.62
  5. Step 5: Solve for x
    x = 53,366,839,259,225.62/7,565,700
  6. Step 6: Final answer
    x = 7,053,787.39

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Double scale
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Similar ratio
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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.