Home / 19,432,992.88-29,129,981.28-6,644,751.76

Finding the Fourth Proportional to 19,432,992.88, 29,129,981.28 and 6,644,751.76

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Solution

The fourth proportional to 19,432,992.88, 29,129,981.28 and 6,644,751.76 is: 9,960,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,992.88 : 29,129,981.28 = 6,644,751.76 : x
  2. Step 2: Convert to fraction form
    19,432,992.88/29,129,981.28 = 6,644,751.76/x
  3. Step 3: Cross multiply
    19,432,992.88x = 29,129,981.28 × 6,644,751.76
  4. Step 4: Simplify right side
    19,432,992.88x = 193,561,494,379,047.06
  5. Step 5: Solve for x
    x = 193,561,494,379,047.06/19,432,992.88
  6. Step 6: Final answer
    x = 9,960,457.23

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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.