Home / 29,688,732.58-40,946,160.39-20,897,286.80

Finding the Fourth Proportional to 29,688,732.58, 40,946,160.39 and 20,897,286.80

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Solution

The fourth proportional to 29,688,732.58, 40,946,160.39 and 20,897,286.80 is: 28,821,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688,732.58 : 40,946,160.39 = 20,897,286.80 : x
  2. Step 2: Convert to fraction form
    29,688,732.58/40,946,160.39 = 20,897,286.80/x
  3. Step 3: Cross multiply
    29,688,732.58x = 40,946,160.39 × 20,897,286.80
  4. Step 4: Simplify right side
    29,688,732.58x = 855,663,656,833,720.75
  5. Step 5: Solve for x
    x = 855,663,656,833,720.75/29,688,732.58
  6. Step 6: Final answer
    x = 28,821,158.15

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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.