Home / 17,512,986.40-26,213,492.40-12,474,138.40

Finding the Fourth Proportional to 17,512,986.40, 26,213,492.40 and 12,474,138.40

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Solution

The fourth proportional to 17,512,986.40, 26,213,492.40 and 12,474,138.40 is: 18,671,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512,986.40 : 26,213,492.40 = 12,474,138.40 : x
  2. Step 2: Convert to fraction form
    17,512,986.40/26,213,492.40 = 12,474,138.40/x
  3. Step 3: Cross multiply
    17,512,986.40x = 26,213,492.40 × 12,474,138.40
  4. Step 4: Simplify right side
    17,512,986.40x = 326,990,732,144,948.12
  5. Step 5: Solve for x
    x = 326,990,732,144,948.12/17,512,986.40
  6. Step 6: Final answer
    x = 18,671,329.07

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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.