Home / 18,924,616.95-28,386,515.57-5,277,399.18

Finding the Fourth Proportional to 18,924,616.95, 28,386,515.57 and 5,277,399.18

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Solution

The fourth proportional to 18,924,616.95, 28,386,515.57 and 5,277,399.18 is: 7,915,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,616.95 : 28,386,515.57 = 5,277,399.18 : x
  2. Step 2: Convert to fraction form
    18,924,616.95/28,386,515.57 = 5,277,399.18/x
  3. Step 3: Cross multiply
    18,924,616.95x = 28,386,515.57 × 5,277,399.18
  4. Step 4: Simplify right side
    18,924,616.95x = 149,806,973,965,788.25
  5. Step 5: Solve for x
    x = 149,806,973,965,788.25/18,924,616.95
  6. Step 6: Final answer
    x = 7,915,984.47

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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.