Home / 38,311,926.50-52,869,720.80-20,908,396.27

Finding the Fourth Proportional to 38,311,926.50, 52,869,720.80 and 20,908,396.27

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Solution

The fourth proportional to 38,311,926.50, 52,869,720.80 and 20,908,396.27 is: 28,853,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,926.50 : 52,869,720.80 = 20,908,396.27 : x
  2. Step 2: Convert to fraction form
    38,311,926.50/52,869,720.80 = 20,908,396.27/x
  3. Step 3: Cross multiply
    38,311,926.50x = 52,869,720.80 × 20,908,396.27
  4. Step 4: Simplify right side
    38,311,926.50x = 1,105,421,072,991,627.38
  5. Step 5: Solve for x
    x = 1,105,421,072,991,627.38/38,311,926.50
  6. Step 6: Final answer
    x = 28,853,184.22

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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.