Home / 7,518,389.32-10,375,387.34-4,080,629.44

Finding the Fourth Proportional to 7,518,389.32, 10,375,387.34 and 4,080,629.44

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Solution

The fourth proportional to 7,518,389.32, 10,375,387.34 and 4,080,629.44 is: 5,631,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,389.32 : 10,375,387.34 = 4,080,629.44 : x
  2. Step 2: Convert to fraction form
    7,518,389.32/10,375,387.34 = 4,080,629.44/x
  3. Step 3: Cross multiply
    7,518,389.32x = 10,375,387.34 × 4,080,629.44
  4. Step 4: Simplify right side
    7,518,389.32x = 42,338,111,031,007.29
  5. Step 5: Solve for x
    x = 42,338,111,031,007.29/7,518,389.32
  6. Step 6: Final answer
    x = 5,631,274.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.