Home / 12,672,159.40-19,008,394.62-8,381,673.64

Finding the Fourth Proportional to 12,672,159.40, 19,008,394.62 and 8,381,673.64

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Solution

The fourth proportional to 12,672,159.40, 19,008,394.62 and 8,381,673.64 is: 12,572,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,159.40 : 19,008,394.62 = 8,381,673.64 : x
  2. Step 2: Convert to fraction form
    12,672,159.40/19,008,394.62 = 8,381,673.64/x
  3. Step 3: Cross multiply
    12,672,159.40x = 19,008,394.62 × 8,381,673.64
  4. Step 4: Simplify right side
    12,672,159.40x = 159,322,160,125,171.81
  5. Step 5: Solve for x
    x = 159,322,160,125,171.81/12,672,159.40
  6. Step 6: Final answer
    x = 12,572,613.32

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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.