Home / 10,856,644.80-14,985,532.98-6,989,166

Finding the Fourth Proportional to 10,856,644.80, 14,985,532.98 and 6,989,166

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Solution

The fourth proportional to 10,856,644.80, 14,985,532.98 and 6,989,166 is: 9,647,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,644.80 : 14,985,532.98 = 6,989,166 : x
  2. Step 2: Convert to fraction form
    10,856,644.80/14,985,532.98 = 6,989,166/x
  3. Step 3: Cross multiply
    10,856,644.80x = 14,985,532.98 × 6,989,166
  4. Step 4: Simplify right side
    10,856,644.80x = 104,736,377,595,694.69
  5. Step 5: Solve for x
    x = 104,736,377,595,694.69/10,856,644.80
  6. Step 6: Final answer
    x = 9,647,214.17

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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.