Home / 13,391,772.15-18,482,090.42-7,589,931.11

Finding the Fourth Proportional to 13,391,772.15, 18,482,090.42 and 7,589,931.11

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Solution

The fourth proportional to 13,391,772.15, 18,482,090.42 and 7,589,931.11 is: 10,474,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,772.15 : 18,482,090.42 = 7,589,931.11 : x
  2. Step 2: Convert to fraction form
    13,391,772.15/18,482,090.42 = 7,589,931.11/x
  3. Step 3: Cross multiply
    13,391,772.15x = 18,482,090.42 × 7,589,931.11
  4. Step 4: Simplify right side
    13,391,772.15x = 140,277,793,056,590.98
  5. Step 5: Solve for x
    x = 140,277,793,056,590.98/13,391,772.15
  6. Step 6: Final answer
    x = 10,474,923.82

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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.