Home / 18,143,865-25,038,522.63-9,995,103

Finding the Fourth Proportional to 18,143,865, 25,038,522.63 and 9,995,103

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Solution

The fourth proportional to 18,143,865, 25,038,522.63 and 9,995,103 is: 13,793,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,865 : 25,038,522.63 = 9,995,103 : x
  2. Step 2: Convert to fraction form
    18,143,865/25,038,522.63 = 9,995,103/x
  3. Step 3: Cross multiply
    18,143,865x = 25,038,522.63 × 9,995,103
  4. Step 4: Simplify right side
    18,143,865x = 250,262,612,654,680.88
  5. Step 5: Solve for x
    x = 250,262,612,654,680.88/18,143,865
  6. Step 6: Final answer
    x = 13,793,236.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.