Home / 19,993,030.08-29,983,338.60-7,211,871.60

Finding the Fourth Proportional to 19,993,030.08, 29,983,338.60 and 7,211,871.60

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Solution

The fourth proportional to 19,993,030.08, 29,983,338.60 and 7,211,871.60 is: 10,815,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993,030.08 : 29,983,338.60 = 7,211,871.60 : x
  2. Step 2: Convert to fraction form
    19,993,030.08/29,983,338.60 = 7,211,871.60/x
  3. Step 3: Cross multiply
    19,993,030.08x = 29,983,338.60 × 7,211,871.60
  4. Step 4: Simplify right side
    19,993,030.08x = 216,235,988,122,523.75
  5. Step 5: Solve for x
    x = 216,235,988,122,523.75/19,993,030.08
  6. Step 6: Final answer
    x = 10,815,568.59

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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.