Home / 18,591,881.20-25,657,419.08-10,332,291.63

Finding the Fourth Proportional to 18,591,881.20, 25,657,419.08 and 10,332,291.63

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Solution

The fourth proportional to 18,591,881.20, 25,657,419.08 and 10,332,291.63 is: 14,258,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,881.20 : 25,657,419.08 = 10,332,291.63 : x
  2. Step 2: Convert to fraction form
    18,591,881.20/25,657,419.08 = 10,332,291.63/x
  3. Step 3: Cross multiply
    18,591,881.20x = 25,657,419.08 × 10,332,291.63
  4. Step 4: Simplify right side
    18,591,881.20x = 265,099,936,407,686.31
  5. Step 5: Solve for x
    x = 265,099,936,407,686.31/18,591,881.20
  6. Step 6: Final answer
    x = 14,258,908.69

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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.