Home / 7,212,133.59-9,952,707.96-3,948,889.02

Finding the Fourth Proportional to 7,212,133.59, 9,952,707.96 and 3,948,889.02

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Solution

The fourth proportional to 7,212,133.59, 9,952,707.96 and 3,948,889.02 is: 5,449,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,133.59 : 9,952,707.96 = 3,948,889.02 : x
  2. Step 2: Convert to fraction form
    7,212,133.59/9,952,707.96 = 3,948,889.02/x
  3. Step 3: Cross multiply
    7,212,133.59x = 9,952,707.96 × 3,948,889.02
  4. Step 4: Simplify right side
    7,212,133.59x = 39,302,139,182,510.60
  5. Step 5: Solve for x
    x = 39,302,139,182,510.60/7,212,133.59
  6. Step 6: Final answer
    x = 5,449,446.92

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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.