Home / 18,681,870.12-28,021,808.27-5,034,797.54

Finding the Fourth Proportional to 18,681,870.12, 28,021,808.27 and 5,034,797.54

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Solution

The fourth proportional to 18,681,870.12, 28,021,808.27 and 5,034,797.54 is: 7,551,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,870.12 : 28,021,808.27 = 5,034,797.54 : x
  2. Step 2: Convert to fraction form
    18,681,870.12/28,021,808.27 = 5,034,797.54/x
  3. Step 3: Cross multiply
    18,681,870.12x = 28,021,808.27 × 5,034,797.54
  4. Step 4: Simplify right side
    18,681,870.12x = 141,084,131,248,919.12
  5. Step 5: Solve for x
    x = 141,084,131,248,919.12/18,681,870.12
  6. Step 6: Final answer
    x = 7,551,927.64

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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.