Home / 16,442,839.20-24,664,258.80-7,939,783.20

Finding the Fourth Proportional to 16,442,839.20, 24,664,258.80 and 7,939,783.20

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Solution

The fourth proportional to 16,442,839.20, 24,664,258.80 and 7,939,783.20 is: 11,909,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442,839.20 : 24,664,258.80 = 7,939,783.20 : x
  2. Step 2: Convert to fraction form
    16,442,839.20/24,664,258.80 = 7,939,783.20/x
  3. Step 3: Cross multiply
    16,442,839.20x = 24,664,258.80 × 7,939,783.20
  4. Step 4: Simplify right side
    16,442,839.20x = 195,828,867,660,692.16
  5. Step 5: Solve for x
    x = 195,828,867,660,692.16/16,442,839.20
  6. Step 6: Final answer
    x = 11,909,674.80

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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.