Home / 12,574,522.35-18,861,783.53-11,830,504.95

Finding the Fourth Proportional to 12,574,522.35, 18,861,783.53 and 11,830,504.95

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Solution

The fourth proportional to 12,574,522.35, 18,861,783.53 and 11,830,504.95 is: 17,745,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,522.35 : 18,861,783.53 = 11,830,504.95 : x
  2. Step 2: Convert to fraction form
    12,574,522.35/18,861,783.53 = 11,830,504.95/x
  3. Step 3: Cross multiply
    12,574,522.35x = 18,861,783.53 × 11,830,504.95
  4. Step 4: Simplify right side
    12,574,522.35x = 223,144,423,358,340.91
  5. Step 5: Solve for x
    x = 223,144,423,358,340.91/12,574,522.35
  6. Step 6: Final answer
    x = 17,745,757.43

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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.