Home / 20,672,618.37-31,006,561.47-5,527,730.85

Finding the Fourth Proportional to 20,672,618.37, 31,006,561.47 and 5,527,730.85

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Solution

The fourth proportional to 20,672,618.37, 31,006,561.47 and 5,527,730.85 is: 8,290,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,618.37 : 31,006,561.47 = 5,527,730.85 : x
  2. Step 2: Convert to fraction form
    20,672,618.37/31,006,561.47 = 5,527,730.85/x
  3. Step 3: Cross multiply
    20,672,618.37x = 31,006,561.47 × 5,527,730.85
  4. Step 4: Simplify right side
    20,672,618.37x = 171,395,926,390,140.34
  5. Step 5: Solve for x
    x = 171,395,926,390,140.34/20,672,618.37
  6. Step 6: Final answer
    x = 8,290,963.60

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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.