Home / 7,791,553.40-11,687,329.92-2,111,777.60

Finding the Fourth Proportional to 7,791,553.40, 11,687,329.92 and 2,111,777.60

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Solution

The fourth proportional to 7,791,553.40, 11,687,329.92 and 2,111,777.60 is: 3,167,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,553.40 : 11,687,329.92 = 2,111,777.60 : x
  2. Step 2: Convert to fraction form
    7,791,553.40/11,687,329.92 = 2,111,777.60/x
  3. Step 3: Cross multiply
    7,791,553.40x = 11,687,329.92 × 2,111,777.60
  4. Step 4: Simplify right side
    7,791,553.40x = 24,681,041,528,865.79
  5. Step 5: Solve for x
    x = 24,681,041,528,865.79/7,791,553.40
  6. Step 6: Final answer
    x = 3,167,666.35

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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.