Home / 10,946,948.10-16,420,422.15-6,915,869.70

Finding the Fourth Proportional to 10,946,948.10, 16,420,422.15 and 6,915,869.70

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Solution

The fourth proportional to 10,946,948.10, 16,420,422.15 and 6,915,869.70 is: 10,373,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946,948.10 : 16,420,422.15 = 6,915,869.70 : x
  2. Step 2: Convert to fraction form
    10,946,948.10/16,420,422.15 = 6,915,869.70/x
  3. Step 3: Cross multiply
    10,946,948.10x = 16,420,422.15 × 6,915,869.70
  4. Step 4: Simplify right side
    10,946,948.10x = 113,561,500,008,393.86
  5. Step 5: Solve for x
    x = 113,561,500,008,393.86/10,946,948.10
  6. Step 6: Final answer
    x = 10,373,804.55

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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.