Home / 39,290,420.80-58,935,631.20-11,996,660.80

Finding the Fourth Proportional to 39,290,420.80, 58,935,631.20 and 11,996,660.80

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Solution

The fourth proportional to 39,290,420.80, 58,935,631.20 and 11,996,660.80 is: 17,994,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290,420.80 : 58,935,631.20 = 11,996,660.80 : x
  2. Step 2: Convert to fraction form
    39,290,420.80/58,935,631.20 = 11,996,660.80/x
  3. Step 3: Cross multiply
    39,290,420.80x = 58,935,631.20 × 11,996,660.80
  4. Step 4: Simplify right side
    39,290,420.80x = 707,030,776,540,297
  5. Step 5: Solve for x
    x = 707,030,776,540,297/39,290,420.80
  6. Step 6: Final answer
    x = 17,994,991.20

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Similar ratio
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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.