Home / 7,142,015.39-9,857,549.43-4,694,851.70

Finding the Fourth Proportional to 7,142,015.39, 9,857,549.43 and 4,694,851.70

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Solution

The fourth proportional to 7,142,015.39, 9,857,549.43 and 4,694,851.70 is: 6,479,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,015.39 : 9,857,549.43 = 4,694,851.70 : x
  2. Step 2: Convert to fraction form
    7,142,015.39/9,857,549.43 = 4,694,851.70/x
  3. Step 3: Cross multiply
    7,142,015.39x = 9,857,549.43 × 4,694,851.70
  4. Step 4: Simplify right side
    7,142,015.39x = 46,279,732,699,269.53
  5. Step 5: Solve for x
    x = 46,279,732,699,269.53/7,142,015.39
  6. Step 6: Final answer
    x = 6,479,926.21

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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.