Home / 13,726,942.10-20,569,125.60-7,955,360.48

Finding the Fourth Proportional to 13,726,942.10, 20,569,125.60 and 7,955,360.48

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Solution

The fourth proportional to 13,726,942.10, 20,569,125.60 and 7,955,360.48 is: 11,920,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,942.10 : 20,569,125.60 = 7,955,360.48 : x
  2. Step 2: Convert to fraction form
    13,726,942.10/20,569,125.60 = 7,955,360.48/x
  3. Step 3: Cross multiply
    13,726,942.10x = 20,569,125.60 × 7,955,360.48
  4. Step 4: Simplify right side
    13,726,942.10x = 163,634,808,906,396.31
  5. Step 5: Solve for x
    x = 163,634,808,906,396.31/13,726,942.10
  6. Step 6: Final answer
    x = 11,920,703.66

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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.