Home / 20,914,819.61-28,865,875.16-17,424,623.57

Finding the Fourth Proportional to 20,914,819.61, 28,865,875.16 and 17,424,623.57

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Solution

The fourth proportional to 20,914,819.61, 28,865,875.16 and 17,424,623.57 is: 24,048,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,819.61 : 28,865,875.16 = 17,424,623.57 : x
  2. Step 2: Convert to fraction form
    20,914,819.61/28,865,875.16 = 17,424,623.57/x
  3. Step 3: Cross multiply
    20,914,819.61x = 28,865,875.16 × 17,424,623.57
  4. Step 4: Simplify right side
    20,914,819.61x = 502,977,008,580,845.75
  5. Step 5: Solve for x
    x = 502,977,008,580,845.75/20,914,819.61
  6. Step 6: Final answer
    x = 24,048,833.22

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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.