Home / 12,347,890.87-17,039,868.46-6,841,155.28

Finding the Fourth Proportional to 12,347,890.87, 17,039,868.46 and 6,841,155.28

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Solution

The fourth proportional to 12,347,890.87, 17,039,868.46 and 6,841,155.28 is: 9,440,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,890.87 : 17,039,868.46 = 6,841,155.28 : x
  2. Step 2: Convert to fraction form
    12,347,890.87/17,039,868.46 = 6,841,155.28/x
  3. Step 3: Cross multiply
    12,347,890.87x = 17,039,868.46 × 6,841,155.28
  4. Step 4: Simplify right side
    12,347,890.87x = 116,572,386,085,634.48
  5. Step 5: Solve for x
    x = 116,572,386,085,634.48/12,347,890.87
  6. Step 6: Final answer
    x = 9,440,671.88

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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.