Home / 20,442,246.50-30,677,005.81-10,603,377.74

Finding the Fourth Proportional to 20,442,246.50, 30,677,005.81 and 10,603,377.74

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Solution

The fourth proportional to 20,442,246.50, 30,677,005.81 and 10,603,377.74 is: 15,912,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,246.50 : 30,677,005.81 = 10,603,377.74 : x
  2. Step 2: Convert to fraction form
    20,442,246.50/30,677,005.81 = 10,603,377.74/x
  3. Step 3: Cross multiply
    20,442,246.50x = 30,677,005.81 × 10,603,377.74
  4. Step 4: Simplify right side
    20,442,246.50x = 325,279,880,382,219.62
  5. Step 5: Solve for x
    x = 325,279,880,382,219.62/20,442,246.50
  6. Step 6: Final answer
    x = 15,912,139.62

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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.