Home / 7,021,177.20-9,857,991.60-7,021,177.20

Finding the Fourth Proportional to 7,021,177.20, 9,857,991.60 and 7,021,177.20

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Solution

The fourth proportional to 7,021,177.20, 9,857,991.60 and 7,021,177.20 is: 9,857,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,177.20 : 9,857,991.60 = 7,021,177.20 : x
  2. Step 2: Convert to fraction form
    7,021,177.20/9,857,991.60 = 7,021,177.20/x
  3. Step 3: Cross multiply
    7,021,177.20x = 9,857,991.60 × 7,021,177.20
  4. Step 4: Simplify right side
    7,021,177.20x = 69,214,705,859,711.52
  5. Step 5: Solve for x
    x = 69,214,705,859,711.52/7,021,177.20
  6. Step 6: Final answer
    x = 9,857,991.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.