Home / 12,879,100.64-19,286,764.51-9,459,277.82

Finding the Fourth Proportional to 12,879,100.64, 19,286,764.51 and 9,459,277.82

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Solution

The fourth proportional to 12,879,100.64, 19,286,764.51 and 9,459,277.82 is: 14,165,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,100.64 : 19,286,764.51 = 9,459,277.82 : x
  2. Step 2: Convert to fraction form
    12,879,100.64/19,286,764.51 = 9,459,277.82/x
  3. Step 3: Cross multiply
    12,879,100.64x = 19,286,764.51 × 9,459,277.82
  4. Step 4: Simplify right side
    12,879,100.64x = 182,438,863,749,006.19
  5. Step 5: Solve for x
    x = 182,438,863,749,006.19/12,879,100.64
  6. Step 6: Final answer
    x = 14,165,497.18

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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.