Home / 20,357,110.07-30,535,645.66-5,211,017.27

Finding the Fourth Proportional to 20,357,110.07, 30,535,645.66 and 5,211,017.27

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Solution

The fourth proportional to 20,357,110.07, 30,535,645.66 and 5,211,017.27 is: 7,816,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,110.07 : 30,535,645.66 = 5,211,017.27 : x
  2. Step 2: Convert to fraction form
    20,357,110.07/30,535,645.66 = 5,211,017.27/x
  3. Step 3: Cross multiply
    20,357,110.07x = 30,535,645.66 × 5,211,017.27
  4. Step 4: Simplify right side
    20,357,110.07x = 159,121,776,719,154.75
  5. Step 5: Solve for x
    x = 159,121,776,719,154.75/20,357,110.07
  6. Step 6: Final answer
    x = 7,816,520.92

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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.