Home / 20,726,957.40-31,090,436.10-16,397,280.60

Finding the Fourth Proportional to 20,726,957.40, 31,090,436.10 and 16,397,280.60

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Solution

The fourth proportional to 20,726,957.40, 31,090,436.10 and 16,397,280.60 is: 24,595,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,957.40 : 31,090,436.10 = 16,397,280.60 : x
  2. Step 2: Convert to fraction form
    20,726,957.40/31,090,436.10 = 16,397,280.60/x
  3. Step 3: Cross multiply
    20,726,957.40x = 31,090,436.10 × 16,397,280.60
  4. Step 4: Simplify right side
    20,726,957.40x = 509,798,604,708,069.69
  5. Step 5: Solve for x
    x = 509,798,604,708,069.69/20,726,957.40
  6. Step 6: Final answer
    x = 24,595,920.90

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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.