Home / 5,167,542.32-7,131,156.84-2,875,663.76

Finding the Fourth Proportional to 5,167,542.32, 7,131,156.84 and 2,875,663.76

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Solution

The fourth proportional to 5,167,542.32, 7,131,156.84 and 2,875,663.76 is: 3,968,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167,542.32 : 7,131,156.84 = 2,875,663.76 : x
  2. Step 2: Convert to fraction form
    5,167,542.32/7,131,156.84 = 2,875,663.76/x
  3. Step 3: Cross multiply
    5,167,542.32x = 7,131,156.84 × 2,875,663.76
  4. Step 4: Simplify right side
    5,167,542.32x = 20,506,809,291,664.12
  5. Step 5: Solve for x
    x = 20,506,809,291,664.12/5,167,542.32
  6. Step 6: Final answer
    x = 3,968,387.30

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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.