Home / 18,746,453.70-28,119,680.55-6,615,820.80

Finding the Fourth Proportional to 18,746,453.70, 28,119,680.55 and 6,615,820.80

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Solution

The fourth proportional to 18,746,453.70, 28,119,680.55 and 6,615,820.80 is: 9,923,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746,453.70 : 28,119,680.55 = 6,615,820.80 : x
  2. Step 2: Convert to fraction form
    18,746,453.70/28,119,680.55 = 6,615,820.80/x
  3. Step 3: Cross multiply
    18,746,453.70x = 28,119,680.55 × 6,615,820.80
  4. Step 4: Simplify right side
    18,746,453.70x = 186,034,767,472,045.44
  5. Step 5: Solve for x
    x = 186,034,767,472,045.44/18,746,453.70
  6. Step 6: Final answer
    x = 9,923,731.20

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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.