Home / 18,477,799.78-25,499,528.82-10,218,417.71

Finding the Fourth Proportional to 18,477,799.78, 25,499,528.82 and 10,218,417.71

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Solution

The fourth proportional to 18,477,799.78, 25,499,528.82 and 10,218,417.71 is: 14,101,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,799.78 : 25,499,528.82 = 10,218,417.71 : x
  2. Step 2: Convert to fraction form
    18,477,799.78/25,499,528.82 = 10,218,417.71/x
  3. Step 3: Cross multiply
    18,477,799.78x = 25,499,528.82 × 10,218,417.71
  4. Step 4: Simplify right side
    18,477,799.78x = 260,564,836,954,692.25
  5. Step 5: Solve for x
    x = 260,564,836,954,692.25/18,477,799.78
  6. Step 6: Final answer
    x = 14,101,507.76

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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.