Home / 20,357,110.57-30,535,646.41-5,211,017.77

Finding the Fourth Proportional to 20,357,110.57, 30,535,646.41 and 5,211,017.77

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Solution

The fourth proportional to 20,357,110.57, 30,535,646.41 and 5,211,017.77 is: 7,816,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,110.57 : 30,535,646.41 = 5,211,017.77 : x
  2. Step 2: Convert to fraction form
    20,357,110.57/30,535,646.41 = 5,211,017.77/x
  3. Step 3: Cross multiply
    20,357,110.57x = 30,535,646.41 × 5,211,017.77
  4. Step 4: Simplify right side
    20,357,110.57x = 159,121,795,882,213.38
  5. Step 5: Solve for x
    x = 159,121,795,882,213.38/20,357,110.57
  6. Step 6: Final answer
    x = 7,816,521.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.