Home / 6,840,196.80-9,438,641.76-3,940,526.40

Finding the Fourth Proportional to 6,840,196.80, 9,438,641.76 and 3,940,526.40

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Solution

The fourth proportional to 6,840,196.80, 9,438,641.76 and 3,940,526.40 is: 5,437,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840,196.80 : 9,438,641.76 = 3,940,526.40 : x
  2. Step 2: Convert to fraction form
    6,840,196.80/9,438,641.76 = 3,940,526.40/x
  3. Step 3: Cross multiply
    6,840,196.80x = 9,438,641.76 × 3,940,526.40
  4. Step 4: Simplify right side
    6,840,196.80x = 37,193,217,035,422.46
  5. Step 5: Solve for x
    x = 37,193,217,035,422.46/6,840,196.80
  6. Step 6: Final answer
    x = 5,437,448.38

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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.