Home / 7,212,134.59-9,952,709.34-3,948,890.02

Finding the Fourth Proportional to 7,212,134.59, 9,952,709.34 and 3,948,890.02

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Solution

The fourth proportional to 7,212,134.59, 9,952,709.34 and 3,948,890.02 is: 5,449,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,134.59 : 9,952,709.34 = 3,948,890.02 : x
  2. Step 2: Convert to fraction form
    7,212,134.59/9,952,709.34 = 3,948,890.02/x
  3. Step 3: Cross multiply
    7,212,134.59x = 9,952,709.34 × 3,948,890.02
  4. Step 4: Simplify right side
    7,212,134.59x = 39,302,154,584,686.79
  5. Step 5: Solve for x
    x = 39,302,154,584,686.79/7,212,134.59
  6. Step 6: Final answer
    x = 5,449,448.30

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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.