Home / 7,687,927.31-10,612,011.42-4,426,042.05

Finding the Fourth Proportional to 7,687,927.31, 10,612,011.42 and 4,426,042.05

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Solution

The fourth proportional to 7,687,927.31, 10,612,011.42 and 4,426,042.05 is: 6,109,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,927.31 : 10,612,011.42 = 4,426,042.05 : x
  2. Step 2: Convert to fraction form
    7,687,927.31/10,612,011.42 = 4,426,042.05/x
  3. Step 3: Cross multiply
    7,687,927.31x = 10,612,011.42 × 4,426,042.05
  4. Step 4: Simplify right side
    7,687,927.31x = 46,969,208,780,000.21
  5. Step 5: Solve for x
    x = 46,969,208,780,000.21/7,687,927.31
  6. Step 6: Final answer
    x = 6,109,476.18

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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.