Home / 18,971,987.73-28,453,722.40-8,727,008.10

Finding the Fourth Proportional to 18,971,987.73, 28,453,722.40 and 8,727,008.10

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Solution

The fourth proportional to 18,971,987.73, 28,453,722.40 and 8,727,008.10 is: 13,088,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,987.73 : 28,453,722.40 = 8,727,008.10 : x
  2. Step 2: Convert to fraction form
    18,971,987.73/28,453,722.40 = 8,727,008.10/x
  3. Step 3: Cross multiply
    18,971,987.73x = 28,453,722.40 × 8,727,008.10
  4. Step 4: Simplify right side
    18,971,987.73x = 248,315,865,859,951.41
  5. Step 5: Solve for x
    x = 248,315,865,859,951.41/18,971,987.73
  6. Step 6: Final answer
    x = 13,088,552.94

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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.