Home / 15,378,828.48-23,071,741.92-8,186,572.80

Finding the Fourth Proportional to 15,378,828.48, 23,071,741.92 and 8,186,572.80

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Solution

The fourth proportional to 15,378,828.48, 23,071,741.92 and 8,186,572.80 is: 12,281,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378,828.48 : 23,071,741.92 = 8,186,572.80 : x
  2. Step 2: Convert to fraction form
    15,378,828.48/23,071,741.92 = 8,186,572.80/x
  3. Step 3: Cross multiply
    15,378,828.48x = 23,071,741.92 × 8,186,572.80
  4. Step 4: Simplify right side
    15,378,828.48x = 188,878,494,850,891.78
  5. Step 5: Solve for x
    x = 188,878,494,850,891.78/15,378,828.48
  6. Step 6: Final answer
    x = 12,281,721.92

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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.