Home / 13,356,117.34-20,037,630.11-7,821,327.28

Finding the Fourth Proportional to 13,356,117.34, 20,037,630.11 and 7,821,327.28

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Solution

The fourth proportional to 13,356,117.34, 20,037,630.11 and 7,821,327.28 is: 11,734,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,117.34 : 20,037,630.11 = 7,821,327.28 : x
  2. Step 2: Convert to fraction form
    13,356,117.34/20,037,630.11 = 7,821,327.28/x
  3. Step 3: Cross multiply
    13,356,117.34x = 20,037,630.11 × 7,821,327.28
  4. Step 4: Simplify right side
    13,356,117.34x = 156,720,863,005,892.41
  5. Step 5: Solve for x
    x = 156,720,863,005,892.41/13,356,117.34
  6. Step 6: Final answer
    x = 11,734,013.64

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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.