Home / 48,512,929.40-72,769,394.10-19,744,256.60

Finding the Fourth Proportional to 48,512,929.40, 72,769,394.10 and 19,744,256.60

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Solution

The fourth proportional to 48,512,929.40, 72,769,394.10 and 19,744,256.60 is: 29,616,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,929.40 : 72,769,394.10 = 19,744,256.60 : x
  2. Step 2: Convert to fraction form
    48,512,929.40/72,769,394.10 = 19,744,256.60/x
  3. Step 3: Cross multiply
    48,512,929.40x = 72,769,394.10 × 19,744,256.60
  4. Step 4: Simplify right side
    48,512,929.40x = 1,436,777,589,736,926
  5. Step 5: Solve for x
    x = 1,436,777,589,736,926/48,512,929.40
  6. Step 6: Final answer
    x = 29,616,384.90

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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.