Home / 20,774,650.16-28,670,501.41-11,482,020.34

Finding the Fourth Proportional to 20,774,650.16, 28,670,501.41 and 11,482,020.34

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Solution

The fourth proportional to 20,774,650.16, 28,670,501.41 and 11,482,020.34 is: 15,846,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,650.16 : 28,670,501.41 = 11,482,020.34 : x
  2. Step 2: Convert to fraction form
    20,774,650.16/28,670,501.41 = 11,482,020.34/x
  3. Step 3: Cross multiply
    20,774,650.16x = 28,670,501.41 × 11,482,020.34
  4. Step 4: Simplify right side
    20,774,650.16x = 329,195,280,247,237.38
  5. Step 5: Solve for x
    x = 329,195,280,247,237.38/20,774,650.16
  6. Step 6: Final answer
    x = 15,846,008.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.