Home / 10,721,825.42-16,073,687.39-4,651,981.88

Finding the Fourth Proportional to 10,721,825.42, 16,073,687.39 and 4,651,981.88

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Solution

The fourth proportional to 10,721,825.42, 16,073,687.39 and 4,651,981.88 is: 6,974,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,825.42 : 16,073,687.39 = 4,651,981.88 : x
  2. Step 2: Convert to fraction form
    10,721,825.42/16,073,687.39 = 4,651,981.88/x
  3. Step 3: Cross multiply
    10,721,825.42x = 16,073,687.39 × 4,651,981.88
  4. Step 4: Simplify right side
    10,721,825.42x = 74,774,502,379,436.14
  5. Step 5: Solve for x
    x = 74,774,502,379,436.14/10,721,825.42
  6. Step 6: Final answer
    x = 6,974,045.88

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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.