Home / 18,974,912.74-28,464,106.10-5,327,967.16

Finding the Fourth Proportional to 18,974,912.74, 28,464,106.10 and 5,327,967.16

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Solution

The fourth proportional to 18,974,912.74, 28,464,106.10 and 5,327,967.16 is: 7,992,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974,912.74 : 28,464,106.10 = 5,327,967.16 : x
  2. Step 2: Convert to fraction form
    18,974,912.74/28,464,106.10 = 5,327,967.16/x
  3. Step 3: Cross multiply
    18,974,912.74x = 28,464,106.10 × 5,327,967.16
  4. Step 4: Simplify right side
    18,974,912.74x = 151,655,822,539,555.69
  5. Step 5: Solve for x
    x = 151,655,822,539,555.69/18,974,912.74
  6. Step 6: Final answer
    x = 7,992,438.47

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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.