Home / 20,440,877.40-30,661,316.10-16,787,712.60

Finding the Fourth Proportional to 20,440,877.40, 30,661,316.10 and 16,787,712.60

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Solution

The fourth proportional to 20,440,877.40, 30,661,316.10 and 16,787,712.60 is: 25,181,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,877.40 : 30,661,316.10 = 16,787,712.60 : x
  2. Step 2: Convert to fraction form
    20,440,877.40/30,661,316.10 = 16,787,712.60/x
  3. Step 3: Cross multiply
    20,440,877.40x = 30,661,316.10 × 16,787,712.60
  4. Step 4: Simplify right side
    20,440,877.40x = 514,733,362,624,552.94
  5. Step 5: Solve for x
    x = 514,733,362,624,552.94/20,440,877.40
  6. Step 6: Final answer
    x = 25,181,568.90

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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.