Home / 20,447,904.70-30,645,807.45-10,867,872.70

Finding the Fourth Proportional to 20,447,904.70, 30,645,807.45 and 10,867,872.70

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Solution

The fourth proportional to 20,447,904.70, 30,645,807.45 and 10,867,872.70 is: 16,287,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,904.70 : 30,645,807.45 = 10,867,872.70 : x
  2. Step 2: Convert to fraction form
    20,447,904.70/30,645,807.45 = 10,867,872.70/x
  3. Step 3: Cross multiply
    20,447,904.70x = 30,645,807.45 × 10,867,872.70
  4. Step 4: Simplify right side
    20,447,904.70x = 333,054,734,155,311.56
  5. Step 5: Solve for x
    x = 333,054,734,155,311.56/20,447,904.70
  6. Step 6: Final answer
    x = 16,287,963.93

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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.