Home / 7,447,348.80-11,172,610.40-4,254,004.80

Finding the Fourth Proportional to 7,447,348.80, 11,172,610.40 and 4,254,004.80

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Solution

The fourth proportional to 7,447,348.80, 11,172,610.40 and 4,254,004.80 is: 6,381,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,348.80 : 11,172,610.40 = 4,254,004.80 : x
  2. Step 2: Convert to fraction form
    7,447,348.80/11,172,610.40 = 4,254,004.80/x
  3. Step 3: Cross multiply
    7,447,348.80x = 11,172,610.40 × 4,254,004.80
  4. Step 4: Simplify right side
    7,447,348.80x = 47,528,338,270,129.92
  5. Step 5: Solve for x
    x = 47,528,338,270,129.92/7,447,348.80
  6. Step 6: Final answer
    x = 6,381,913.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.