Home / 40,894,841.70-61,392,028.95-20,689,683.30

Finding the Fourth Proportional to 40,894,841.70, 61,392,028.95 and 20,689,683.30

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Solution

The fourth proportional to 40,894,841.70, 61,392,028.95 and 20,689,683.30 is: 31,059,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894,841.70 : 61,392,028.95 = 20,689,683.30 : x
  2. Step 2: Convert to fraction form
    40,894,841.70/61,392,028.95 = 20,689,683.30/x
  3. Step 3: Cross multiply
    40,894,841.70x = 61,392,028.95 × 20,689,683.30
  4. Step 4: Simplify right side
    40,894,841.70x = 1,270,181,636,119,931.75
  5. Step 5: Solve for x
    x = 1,270,181,636,119,931.75/40,894,841.70
  6. Step 6: Final answer
    x = 31,059,702.97

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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.