Home / 20,357,110.25-30,535,645.94-5,211,017.45

Finding the Fourth Proportional to 20,357,110.25, 30,535,645.94 and 5,211,017.45

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Solution

The fourth proportional to 20,357,110.25, 30,535,645.94 and 5,211,017.45 is: 7,816,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,110.25 : 30,535,645.94 = 5,211,017.45 : x
  2. Step 2: Convert to fraction form
    20,357,110.25/30,535,645.94 = 5,211,017.45/x
  3. Step 3: Cross multiply
    20,357,110.25x = 30,535,645.94 × 5,211,017.45
  4. Step 4: Simplify right side
    20,357,110.25x = 159,121,783,903,673.22
  5. Step 5: Solve for x
    x = 159,121,783,903,673.22/20,357,110.25
  6. Step 6: Final answer
    x = 7,816,521.20

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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.