Home / 20,762,622.30-31,138,403.85-6,385,662.30

Finding the Fourth Proportional to 20,762,622.30, 31,138,403.85 and 6,385,662.30

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Solution

The fourth proportional to 20,762,622.30, 31,138,403.85 and 6,385,662.30 is: 9,576,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762,622.30 : 31,138,403.85 = 6,385,662.30 : x
  2. Step 2: Convert to fraction form
    20,762,622.30/31,138,403.85 = 6,385,662.30/x
  3. Step 3: Cross multiply
    20,762,622.30x = 31,138,403.85 × 6,385,662.30
  4. Step 4: Simplify right side
    20,762,622.30x = 198,839,331,547,119.84
  5. Step 5: Solve for x
    x = 198,839,331,547,119.84/20,762,622.30
  6. Step 6: Final answer
    x = 9,576,792.79

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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.