Home / 16,770,319.20-23,142,901.34-9,428,185.07

Finding the Fourth Proportional to 16,770,319.20, 23,142,901.34 and 9,428,185.07

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Solution

The fourth proportional to 16,770,319.20, 23,142,901.34 and 9,428,185.07 is: 13,010,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,319.20 : 23,142,901.34 = 9,428,185.07 : x
  2. Step 2: Convert to fraction form
    16,770,319.20/23,142,901.34 = 9,428,185.07/x
  3. Step 3: Cross multiply
    16,770,319.20x = 23,142,901.34 × 9,428,185.07
  4. Step 4: Simplify right side
    16,770,319.20x = 218,195,556,727,415.56
  5. Step 5: Solve for x
    x = 218,195,556,727,415.56/16,770,319.20
  6. Step 6: Final answer
    x = 13,010,817.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.