Home / 12,936,534.20-19,397,802.90-5,364,265.40

Finding the Fourth Proportional to 12,936,534.20, 19,397,802.90 and 5,364,265.40

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Solution

The fourth proportional to 12,936,534.20, 19,397,802.90 and 5,364,265.40 is: 8,043,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,534.20 : 19,397,802.90 = 5,364,265.40 : x
  2. Step 2: Convert to fraction form
    12,936,534.20/19,397,802.90 = 5,364,265.40/x
  3. Step 3: Cross multiply
    12,936,534.20x = 19,397,802.90 × 5,364,265.40
  4. Step 4: Simplify right side
    12,936,534.20x = 104,054,962,932,489.66
  5. Step 5: Solve for x
    x = 104,054,962,932,489.66/12,936,534.20
  6. Step 6: Final answer
    x = 8,043,496.14

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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.