Home / 6,917,963.40-10,376,945.10-6,811,675.20

Finding the Fourth Proportional to 6,917,963.40, 10,376,945.10 and 6,811,675.20

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Solution

The fourth proportional to 6,917,963.40, 10,376,945.10 and 6,811,675.20 is: 10,217,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917,963.40 : 10,376,945.10 = 6,811,675.20 : x
  2. Step 2: Convert to fraction form
    6,917,963.40/10,376,945.10 = 6,811,675.20/x
  3. Step 3: Cross multiply
    6,917,963.40x = 10,376,945.10 × 6,811,675.20
  4. Step 4: Simplify right side
    6,917,963.40x = 70,684,379,589,431.52
  5. Step 5: Solve for x
    x = 70,684,379,589,431.52/6,917,963.40
  6. Step 6: Final answer
    x = 10,217,512.80

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1.5x scale

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.