Home / 12,884,306.64-19,312,287.84-5,307,138.96

Finding the Fourth Proportional to 12,884,306.64, 19,312,287.84 and 5,307,138.96

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Solution

The fourth proportional to 12,884,306.64, 19,312,287.84 and 5,307,138.96 is: 7,954,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,306.64 : 19,312,287.84 = 5,307,138.96 : x
  2. Step 2: Convert to fraction form
    12,884,306.64/19,312,287.84 = 5,307,138.96/x
  3. Step 3: Cross multiply
    12,884,306.64x = 19,312,287.84 × 5,307,138.96
  4. Step 4: Simplify right side
    12,884,306.64x = 102,492,995,202,398.25
  5. Step 5: Solve for x
    x = 102,492,995,202,398.25/12,884,306.64
  6. Step 6: Final answer
    x = 7,954,870.84

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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.