Home / 6,518,530.31-8,996,509.04-3,905,146.17

Finding the Fourth Proportional to 6,518,530.31, 8,996,509.04 and 3,905,146.17

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Solution

The fourth proportional to 6,518,530.31, 8,996,509.04 and 3,905,146.17 is: 5,389,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,530.31 : 8,996,509.04 = 3,905,146.17 : x
  2. Step 2: Convert to fraction form
    6,518,530.31/8,996,509.04 = 3,905,146.17/x
  3. Step 3: Cross multiply
    6,518,530.31x = 8,996,509.04 × 3,905,146.17
  4. Step 4: Simplify right side
    6,518,530.31x = 35,132,682,801,400.64
  5. Step 5: Solve for x
    x = 35,132,682,801,400.64/6,518,530.31
  6. Step 6: Final answer
    x = 5,389,663.18

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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.