Home / 7,189,825.50-9,921,908.67-3,926,641.02

Finding the Fourth Proportional to 7,189,825.50, 9,921,908.67 and 3,926,641.02

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Solution

The fourth proportional to 7,189,825.50, 9,921,908.67 and 3,926,641.02 is: 5,418,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,825.50 : 9,921,908.67 = 3,926,641.02 : x
  2. Step 2: Convert to fraction form
    7,189,825.50/9,921,908.67 = 3,926,641.02/x
  3. Step 3: Cross multiply
    7,189,825.50x = 9,921,908.67 × 3,926,641.02
  4. Step 4: Simplify right side
    7,189,825.50x = 38,959,773,580,315.64
  5. Step 5: Solve for x
    x = 38,959,773,580,315.64/7,189,825.50
  6. Step 6: Final answer
    x = 5,418,737.02

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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.