Home / 7,142,012.39-9,857,545.29-4,694,848.70

Finding the Fourth Proportional to 7,142,012.39, 9,857,545.29 and 4,694,848.70

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Solution

The fourth proportional to 7,142,012.39, 9,857,545.29 and 4,694,848.70 is: 6,479,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,012.39 : 9,857,545.29 = 4,694,848.70 : x
  2. Step 2: Convert to fraction form
    7,142,012.39/9,857,545.29 = 4,694,848.70/x
  3. Step 3: Cross multiply
    7,142,012.39x = 9,857,545.29 × 4,694,848.70
  4. Step 4: Simplify right side
    7,142,012.39x = 46,279,683,640,659.90
  5. Step 5: Solve for x
    x = 46,279,683,640,659.90/7,142,012.39
  6. Step 6: Final answer
    x = 6,479,922.06

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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.