Home / 12,976,988.96-19,466,590.64-3,392,352.16

Finding the Fourth Proportional to 12,976,988.96, 19,466,590.64 and 3,392,352.16

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Solution

The fourth proportional to 12,976,988.96, 19,466,590.64 and 3,392,352.16 is: 5,088,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,988.96 : 19,466,590.64 = 3,392,352.16 : x
  2. Step 2: Convert to fraction form
    12,976,988.96/19,466,590.64 = 3,392,352.16/x
  3. Step 3: Cross multiply
    12,976,988.96x = 19,466,590.64 × 3,392,352.16
  4. Step 4: Simplify right side
    12,976,988.96x = 66,037,530,805,439.79
  5. Step 5: Solve for x
    x = 66,037,530,805,439.79/12,976,988.96
  6. Step 6: Final answer
    x = 5,088,817.68

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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.