Home / 14,487,785.60-19,993,027.20-7,872,316.16

Finding the Fourth Proportional to 14,487,785.60, 19,993,027.20 and 7,872,316.16

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Solution

The fourth proportional to 14,487,785.60, 19,993,027.20 and 7,872,316.16 is: 10,863,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,785.60 : 19,993,027.20 = 7,872,316.16 : x
  2. Step 2: Convert to fraction form
    14,487,785.60/19,993,027.20 = 7,872,316.16/x
  3. Step 3: Cross multiply
    14,487,785.60x = 19,993,027.20 × 7,872,316.16
  4. Step 4: Simplify right side
    14,487,785.60x = 157,391,431,113,879.56
  5. Step 5: Solve for x
    x = 157,391,431,113,879.56/14,487,785.60
  6. Step 6: Final answer
    x = 10,863,732.76

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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.