Home / 7,021,327.47-9,689,467.76-3,923,902.53

Finding the Fourth Proportional to 7,021,327.47, 9,689,467.76 and 3,923,902.53

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Solution

The fourth proportional to 7,021,327.47, 9,689,467.76 and 3,923,902.53 is: 5,415,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,327.47 : 9,689,467.76 = 3,923,902.53 : x
  2. Step 2: Convert to fraction form
    7,021,327.47/9,689,467.76 = 3,923,902.53/x
  3. Step 3: Cross multiply
    7,021,327.47x = 9,689,467.76 × 3,923,902.53
  4. Step 4: Simplify right side
    7,021,327.47x = 38,020,527,038,197.92
  5. Step 5: Solve for x
    x = 38,020,527,038,197.92/7,021,327.47
  6. Step 6: Final answer
    x = 5,415,005.52

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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.