Home / 10,020,438.72-13,828,294.08-5,436,851.04

Finding the Fourth Proportional to 10,020,438.72, 13,828,294.08 and 5,436,851.04

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Solution

The fourth proportional to 10,020,438.72, 13,828,294.08 and 5,436,851.04 is: 7,502,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020,438.72 : 13,828,294.08 = 5,436,851.04 : x
  2. Step 2: Convert to fraction form
    10,020,438.72/13,828,294.08 = 5,436,851.04/x
  3. Step 3: Cross multiply
    10,020,438.72x = 13,828,294.08 × 5,436,851.04
  4. Step 4: Simplify right side
    10,020,438.72x = 75,182,375,050,273.84
  5. Step 5: Solve for x
    x = 75,182,375,050,273.84/10,020,438.72
  6. Step 6: Final answer
    x = 7,502,902.53

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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.