Home / 20,010,149.30-30,015,235.15-14,053,111.22

Finding the Fourth Proportional to 20,010,149.30, 30,015,235.15 and 14,053,111.22

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Solution

The fourth proportional to 20,010,149.30, 30,015,235.15 and 14,053,111.22 is: 21,079,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010,149.30 : 30,015,235.15 = 14,053,111.22 : x
  2. Step 2: Convert to fraction form
    20,010,149.30/30,015,235.15 = 14,053,111.22/x
  3. Step 3: Cross multiply
    20,010,149.30x = 30,015,235.15 × 14,053,111.22
  4. Step 4: Simplify right side
    20,010,149.30x = 421,807,437,857,403.38
  5. Step 5: Solve for x
    x = 421,807,437,857,403.38/20,010,149.30
  6. Step 6: Final answer
    x = 21,079,674.70

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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.