Home / 9,108,686.64-12,569,644.01-4,978,682.94

Finding the Fourth Proportional to 9,108,686.64, 12,569,644.01 and 4,978,682.94

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Solution

The fourth proportional to 9,108,686.64, 12,569,644.01 and 4,978,682.94 is: 6,870,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,686.64 : 12,569,644.01 = 4,978,682.94 : x
  2. Step 2: Convert to fraction form
    9,108,686.64/12,569,644.01 = 4,978,682.94/x
  3. Step 3: Cross multiply
    9,108,686.64x = 12,569,644.01 × 4,978,682.94
  4. Step 4: Simplify right side
    9,108,686.64x = 62,580,272,206,906.90
  5. Step 5: Solve for x
    x = 62,580,272,206,906.90/9,108,686.64
  6. Step 6: Final answer
    x = 6,870,394.68

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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.