Home / 6,143,365.13-8,479,530.31-3,565,876.28

Finding the Fourth Proportional to 6,143,365.13, 8,479,530.31 and 3,565,876.28

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Solution

The fourth proportional to 6,143,365.13, 8,479,530.31 and 3,565,876.28 is: 4,921,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,365.13 : 8,479,530.31 = 3,565,876.28 : x
  2. Step 2: Convert to fraction form
    6,143,365.13/8,479,530.31 = 3,565,876.28/x
  3. Step 3: Cross multiply
    6,143,365.13x = 8,479,530.31 × 3,565,876.28
  4. Step 4: Simplify right side
    6,143,365.13x = 30,236,955,997,970.05
  5. Step 5: Solve for x
    x = 30,236,955,997,970.05/6,143,365.13
  6. Step 6: Final answer
    x = 4,921,888.14

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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.