Home / 7,920,507.11-10,929,051.27-4,613,345.61

Finding the Fourth Proportional to 7,920,507.11, 10,929,051.27 and 4,613,345.61

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Solution

The fourth proportional to 7,920,507.11, 10,929,051.27 and 4,613,345.61 is: 6,365,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,507.11 : 10,929,051.27 = 4,613,345.61 : x
  2. Step 2: Convert to fraction form
    7,920,507.11/10,929,051.27 = 4,613,345.61/x
  3. Step 3: Cross multiply
    7,920,507.11x = 10,929,051.27 × 4,613,345.61
  4. Step 4: Simplify right side
    7,920,507.11x = 50,419,490,643,274.17
  5. Step 5: Solve for x
    x = 50,419,490,643,274.17/7,920,507.11
  6. Step 6: Final answer
    x = 6,365,689.71

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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.