Home / 7,517,742.13-10,374,484.12-4,079,983.16

Finding the Fourth Proportional to 7,517,742.13, 10,374,484.12 and 4,079,983.16

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Solution

The fourth proportional to 7,517,742.13, 10,374,484.12 and 4,079,983.16 is: 5,630,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517,742.13 : 10,374,484.12 = 4,079,983.16 : x
  2. Step 2: Convert to fraction form
    7,517,742.13/10,374,484.12 = 4,079,983.16/x
  3. Step 3: Cross multiply
    7,517,742.13x = 10,374,484.12 × 4,079,983.16
  4. Step 4: Simplify right side
    7,517,742.13x = 42,327,720,503,287.41
  5. Step 5: Solve for x
    x = 42,327,720,503,287.41/7,517,742.13
  6. Step 6: Final answer
    x = 5,630,376.75

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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.