Home / 13,941,521.20-20,912,281.80-11,071,739.80

Finding the Fourth Proportional to 13,941,521.20, 20,912,281.80 and 11,071,739.80

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Solution

The fourth proportional to 13,941,521.20, 20,912,281.80 and 11,071,739.80 is: 16,607,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,521.20 : 20,912,281.80 = 11,071,739.80 : x
  2. Step 2: Convert to fraction form
    13,941,521.20/20,912,281.80 = 11,071,739.80/x
  3. Step 3: Cross multiply
    13,941,521.20x = 20,912,281.80 × 11,071,739.80
  4. Step 4: Simplify right side
    13,941,521.20x = 231,535,342,713,875.66
  5. Step 5: Solve for x
    x = 231,535,342,713,875.66/13,941,521.20
  6. Step 6: Final answer
    x = 16,607,609.70

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1.5x scale

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.