Home / 22,198,919.05-30,634,631.18-12,409,775.83

Finding the Fourth Proportional to 22,198,919.05, 30,634,631.18 and 12,409,775.83

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Solution

The fourth proportional to 22,198,919.05, 30,634,631.18 and 12,409,775.83 is: 17,125,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198,919.05 : 30,634,631.18 = 12,409,775.83 : x
  2. Step 2: Convert to fraction form
    22,198,919.05/30,634,631.18 = 12,409,775.83/x
  3. Step 3: Cross multiply
    22,198,919.05x = 30,634,631.18 × 12,409,775.83
  4. Step 4: Simplify right side
    22,198,919.05x = 380,168,905,578,528.38
  5. Step 5: Solve for x
    x = 380,168,905,578,528.38/22,198,919.05
  6. Step 6: Final answer
    x = 17,125,559.34

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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.