Home / 15,560,345.20-23,343,987.88-4,778,734.12

Finding the Fourth Proportional to 15,560,345.20, 23,343,987.88 and 4,778,734.12

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Solution

The fourth proportional to 15,560,345.20, 23,343,987.88 and 4,778,734.12 is: 7,169,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560,345.20 : 23,343,987.88 = 4,778,734.12 : x
  2. Step 2: Convert to fraction form
    15,560,345.20/23,343,987.88 = 4,778,734.12/x
  3. Step 3: Cross multiply
    15,560,345.20x = 23,343,987.88 × 4,778,734.12
  4. Step 4: Simplify right side
    15,560,345.20x = 111,554,711,379,022.47
  5. Step 5: Solve for x
    x = 111,554,711,379,022.47/15,560,345.20
  6. Step 6: Final answer
    x = 7,169,166.88

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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.