Home / 18,771,217.14-28,160,972.91-6,803,642.10

Finding the Fourth Proportional to 18,771,217.14, 28,160,972.91 and 6,803,642.10

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Solution

The fourth proportional to 18,771,217.14, 28,160,972.91 and 6,803,642.10 is: 10,206,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771,217.14 : 28,160,972.91 = 6,803,642.10 : x
  2. Step 2: Convert to fraction form
    18,771,217.14/28,160,972.91 = 6,803,642.10/x
  3. Step 3: Cross multiply
    18,771,217.14x = 28,160,972.91 × 6,803,642.10
  4. Step 4: Simplify right side
    18,771,217.14x = 191,597,180,867,435.50
  5. Step 5: Solve for x
    x = 191,597,180,867,435.50/18,771,217.14
  6. Step 6: Final answer
    x = 10,206,966.31

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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.