Home / 38,358,888.93-52,936,047.05-20,956,361.31

Finding the Fourth Proportional to 38,358,888.93, 52,936,047.05 and 20,956,361.31

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Solution

The fourth proportional to 38,358,888.93, 52,936,047.05 and 20,956,361.31 is: 28,920,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358,888.93 : 52,936,047.05 = 20,956,361.31 : x
  2. Step 2: Convert to fraction form
    38,358,888.93/52,936,047.05 = 20,956,361.31/x
  3. Step 3: Cross multiply
    38,358,888.93x = 52,936,047.05 × 20,956,361.31
  4. Step 4: Simplify right side
    38,358,888.93x = 1,109,346,928,198,177.75
  5. Step 5: Solve for x
    x = 1,109,346,928,198,177.75/38,358,888.93
  6. Step 6: Final answer
    x = 28,920,204.92

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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.