Home / 12,731,280.24-17,569,391.04-6,930,228.72

Finding the Fourth Proportional to 12,731,280.24, 17,569,391.04 and 6,930,228.72

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Solution

The fourth proportional to 12,731,280.24, 17,569,391.04 and 6,930,228.72 is: 9,563,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,280.24 : 17,569,391.04 = 6,930,228.72 : x
  2. Step 2: Convert to fraction form
    12,731,280.24/17,569,391.04 = 6,930,228.72/x
  3. Step 3: Cross multiply
    12,731,280.24x = 17,569,391.04 × 6,930,228.72
  4. Step 4: Simplify right side
    12,731,280.24x = 121,759,898,378,318.66
  5. Step 5: Solve for x
    x = 121,759,898,378,318.66/12,731,280.24
  6. Step 6: Final answer
    x = 9,563,837.74

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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.