Home / 10,921,297.80-16,381,946.70-3,347,279.40

Finding the Fourth Proportional to 10,921,297.80, 16,381,946.70 and 3,347,279.40

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Solution

The fourth proportional to 10,921,297.80, 16,381,946.70 and 3,347,279.40 is: 5,020,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,297.80 : 16,381,946.70 = 3,347,279.40 : x
  2. Step 2: Convert to fraction form
    10,921,297.80/16,381,946.70 = 3,347,279.40/x
  3. Step 3: Cross multiply
    10,921,297.80x = 16,381,946.70 × 3,347,279.40
  4. Step 4: Simplify right side
    10,921,297.80x = 54,834,952,720,807.98
  5. Step 5: Solve for x
    x = 54,834,952,720,807.98/10,921,297.80
  6. Step 6: Final answer
    x = 5,020,919.10

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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.