Home / 27,979,472.20-41,975,113.20-8,812,166.80

Finding the Fourth Proportional to 27,979,472.20, 41,975,113.20 and 8,812,166.80

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Solution

The fourth proportional to 27,979,472.20, 41,975,113.20 and 8,812,166.80 is: 13,220,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979,472.20 : 41,975,113.20 = 8,812,166.80 : x
  2. Step 2: Convert to fraction form
    27,979,472.20/41,975,113.20 = 8,812,166.80/x
  3. Step 3: Cross multiply
    27,979,472.20x = 41,975,113.20 × 8,812,166.80
  4. Step 4: Simplify right side
    27,979,472.20x = 369,891,698,967,281.81
  5. Step 5: Solve for x
    x = 369,891,698,967,281.81/27,979,472.20
  6. Step 6: Final answer
    x = 13,220,109.96

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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.