Home / 12,341,507.49-17,025,627.87-7,991,994.87

Finding the Fourth Proportional to 12,341,507.49, 17,025,627.87 and 7,991,994.87

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Solution

The fourth proportional to 12,341,507.49, 17,025,627.87 and 7,991,994.87 is: 11,025,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341,507.49 : 17,025,627.87 = 7,991,994.87 : x
  2. Step 2: Convert to fraction form
    12,341,507.49/17,025,627.87 = 7,991,994.87/x
  3. Step 3: Cross multiply
    12,341,507.49x = 17,025,627.87 × 7,991,994.87
  4. Step 4: Simplify right side
    12,341,507.49x = 136,068,730,595,569.03
  5. Step 5: Solve for x
    x = 136,068,730,595,569.03/12,341,507.49
  6. Step 6: Final answer
    x = 11,025,292.55

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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.