Home / 7,518,237.60-10,375,172.28-4,080,478.60

Finding the Fourth Proportional to 7,518,237.60, 10,375,172.28 and 4,080,478.60

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Solution

The fourth proportional to 7,518,237.60, 10,375,172.28 and 4,080,478.60 is: 5,631,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,237.60 : 10,375,172.28 = 4,080,478.60 : x
  2. Step 2: Convert to fraction form
    7,518,237.60/10,375,172.28 = 4,080,478.60/x
  3. Step 3: Cross multiply
    7,518,237.60x = 10,375,172.28 × 4,080,478.60
  4. Step 4: Simplify right side
    7,518,237.60x = 42,335,668,459,853.20
  5. Step 5: Solve for x
    x = 42,335,668,459,853.20/7,518,237.60
  6. Step 6: Final answer
    x = 5,631,062.85

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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.