Home / 20,161,680.70-30,242,521.05-6,698,508.70

Finding the Fourth Proportional to 20,161,680.70, 30,242,521.05 and 6,698,508.70

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Solution

The fourth proportional to 20,161,680.70, 30,242,521.05 and 6,698,508.70 is: 10,047,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,680.70 : 30,242,521.05 = 6,698,508.70 : x
  2. Step 2: Convert to fraction form
    20,161,680.70/30,242,521.05 = 6,698,508.70/x
  3. Step 3: Cross multiply
    20,161,680.70x = 30,242,521.05 × 6,698,508.70
  4. Step 4: Simplify right side
    20,161,680.70x = 202,579,790,363,358.16
  5. Step 5: Solve for x
    x = 202,579,790,363,358.16/20,161,680.70
  6. Step 6: Final answer
    x = 10,047,763.05

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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.