Home / 13,726,940.10-20,569,122.61-7,955,358.48

Finding the Fourth Proportional to 13,726,940.10, 20,569,122.61 and 7,955,358.48

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Solution

The fourth proportional to 13,726,940.10, 20,569,122.61 and 7,955,358.48 is: 11,920,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,940.10 : 20,569,122.61 = 7,955,358.48 : x
  2. Step 2: Convert to fraction form
    13,726,940.10/20,569,122.61 = 7,955,358.48/x
  3. Step 3: Cross multiply
    13,726,940.10x = 20,569,122.61 × 7,955,358.48
  4. Step 4: Simplify right side
    13,726,940.10x = 163,634,743,839,000.81
  5. Step 5: Solve for x
    x = 163,634,743,839,000.81/13,726,940.10
  6. Step 6: Final answer
    x = 11,920,700.65

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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.