Home / 20,653,810.80-30,983,668.65-7,007,586.90

Finding the Fourth Proportional to 20,653,810.80, 30,983,668.65 and 7,007,586.90

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Solution

The fourth proportional to 20,653,810.80, 30,983,668.65 and 7,007,586.90 is: 10,512,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,810.80 : 30,983,668.65 = 7,007,586.90 : x
  2. Step 2: Convert to fraction form
    20,653,810.80/30,983,668.65 = 7,007,586.90/x
  3. Step 3: Cross multiply
    20,653,810.80x = 30,983,668.65 × 7,007,586.90
  4. Step 4: Simplify right side
    20,653,810.80x = 217,120,750,545,680.69
  5. Step 5: Solve for x
    x = 217,120,750,545,680.69/20,653,810.80
  6. Step 6: Final answer
    x = 10,512,382.08

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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.