Home / 7,132,411.45-9,842,727.72-4,076,691.31

Finding the Fourth Proportional to 7,132,411.45, 9,842,727.72 and 4,076,691.31

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Solution

The fourth proportional to 7,132,411.45, 9,842,727.72 and 4,076,691.31 is: 5,625,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,411.45 : 9,842,727.72 = 4,076,691.31 : x
  2. Step 2: Convert to fraction form
    7,132,411.45/9,842,727.72 = 4,076,691.31/x
  3. Step 3: Cross multiply
    7,132,411.45x = 9,842,727.72 × 4,076,691.31
  4. Step 4: Simplify right side
    7,132,411.45x = 40,125,762,562,820.12
  5. Step 5: Solve for x
    x = 40,125,762,562,820.12/7,132,411.45
  6. Step 6: Final answer
    x = 5,625,833.96

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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.