Home / 10,369,859.10-15,554,788.65-7,794,447.90

Finding the Fourth Proportional to 10,369,859.10, 15,554,788.65 and 7,794,447.90

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Solution

The fourth proportional to 10,369,859.10, 15,554,788.65 and 7,794,447.90 is: 11,691,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,859.10 : 15,554,788.65 = 7,794,447.90 : x
  2. Step 2: Convert to fraction form
    10,369,859.10/15,554,788.65 = 7,794,447.90/x
  3. Step 3: Cross multiply
    10,369,859.10x = 15,554,788.65 × 7,794,447.90
  4. Step 4: Simplify right side
    10,369,859.10x = 121,240,989,727,936.34
  5. Step 5: Solve for x
    x = 121,240,989,727,936.34/10,369,859.10
  6. Step 6: Final answer
    x = 11,691,671.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.