Home / 12,888,941.88-17,787,201.30-7,088,172.24

Finding the Fourth Proportional to 12,888,941.88, 17,787,201.30 and 7,088,172.24

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Solution

The fourth proportional to 12,888,941.88, 17,787,201.30 and 7,088,172.24 is: 9,781,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,941.88 : 17,787,201.30 = 7,088,172.24 : x
  2. Step 2: Convert to fraction form
    12,888,941.88/17,787,201.30 = 7,088,172.24/x
  3. Step 3: Cross multiply
    12,888,941.88x = 17,787,201.30 × 7,088,172.24
  4. Step 4: Simplify right side
    12,888,941.88x = 126,078,746,481,951.92
  5. Step 5: Solve for x
    x = 126,078,746,481,951.92/12,888,941.88
  6. Step 6: Final answer
    x = 9,781,931.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.