Home / 20,010,149.55-30,015,235.53-14,053,111.47

Finding the Fourth Proportional to 20,010,149.55, 30,015,235.53 and 14,053,111.47

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Solution

The fourth proportional to 20,010,149.55, 30,015,235.53 and 14,053,111.47 is: 21,079,675.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010,149.55 : 30,015,235.53 = 14,053,111.47 : x
  2. Step 2: Convert to fraction form
    20,010,149.55/30,015,235.53 = 14,053,111.47/x
  3. Step 3: Cross multiply
    20,010,149.55x = 30,015,235.53 × 14,053,111.47
  4. Step 4: Simplify right side
    20,010,149.55x = 421,807,450,631,129
  5. Step 5: Solve for x
    x = 421,807,450,631,129/20,010,149.55
  6. Step 6: Final answer
    x = 21,079,675.07

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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.