Home / 18,696,394.50-28,044,565.61-10,392,476.64

Finding the Fourth Proportional to 18,696,394.50, 28,044,565.61 and 10,392,476.64

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Solution

The fourth proportional to 18,696,394.50, 28,044,565.61 and 10,392,476.64 is: 15,588,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,394.50 : 28,044,565.61 = 10,392,476.64 : x
  2. Step 2: Convert to fraction form
    18,696,394.50/28,044,565.61 = 10,392,476.64/x
  3. Step 3: Cross multiply
    18,696,394.50x = 28,044,565.61 × 10,392,476.64
  4. Step 4: Simplify right side
    18,696,394.50x = 291,452,492,990,313.56
  5. Step 5: Solve for x
    x = 291,452,492,990,313.56/18,696,394.50
  6. Step 6: Final answer
    x = 15,588,700.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.