Home / 8,652,981.98-11,942,613.51-5,215,226.96

Finding the Fourth Proportional to 8,652,981.98, 11,942,613.51 and 5,215,226.96

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Solution

The fourth proportional to 8,652,981.98, 11,942,613.51 and 5,215,226.96 is: 7,197,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652,981.98 : 11,942,613.51 = 5,215,226.96 : x
  2. Step 2: Convert to fraction form
    8,652,981.98/11,942,613.51 = 5,215,226.96/x
  3. Step 3: Cross multiply
    8,652,981.98x = 11,942,613.51 × 5,215,226.96
  4. Step 4: Simplify right side
    8,652,981.98x = 62,283,439,960,511.66
  5. Step 5: Solve for x
    x = 62,283,439,960,511.66/8,652,981.98
  6. Step 6: Final answer
    x = 7,197,916.29

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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.