Home / 7,518,156.68-10,375,066.32-4,080,397.76

Finding the Fourth Proportional to 7,518,156.68, 10,375,066.32 and 4,080,397.76

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Solution

The fourth proportional to 7,518,156.68, 10,375,066.32 and 4,080,397.76 is: 5,630,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,156.68 : 10,375,066.32 = 4,080,397.76 : x
  2. Step 2: Convert to fraction form
    7,518,156.68/10,375,066.32 = 4,080,397.76/x
  3. Step 3: Cross multiply
    7,518,156.68x = 10,375,066.32 × 4,080,397.76
  4. Step 4: Simplify right side
    7,518,156.68x = 42,334,397,371,979.45
  5. Step 5: Solve for x
    x = 42,334,397,371,979.45/7,518,156.68
  6. Step 6: Final answer
    x = 5,630,954.39

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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.