Home / 15,397,609.14-21,253,433.06-8,875,599.71

Finding the Fourth Proportional to 15,397,609.14, 21,253,433.06 and 8,875,599.71

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Solution

The fourth proportional to 15,397,609.14, 21,253,433.06 and 8,875,599.71 is: 12,251,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397,609.14 : 21,253,433.06 = 8,875,599.71 : x
  2. Step 2: Convert to fraction form
    15,397,609.14/21,253,433.06 = 8,875,599.71/x
  3. Step 3: Cross multiply
    15,397,609.14x = 21,253,433.06 × 8,875,599.71
  4. Step 4: Simplify right side
    15,397,609.14x = 188,636,964,219,762.25
  5. Step 5: Solve for x
    x = 188,636,964,219,762.25/15,397,609.14
  6. Step 6: Final answer
    x = 12,251,055.51

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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.