Home / 12,492,087.40-18,738,131.10-3,516,639.40

Finding the Fourth Proportional to 12,492,087.40, 18,738,131.10 and 3,516,639.40

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Solution

The fourth proportional to 12,492,087.40, 18,738,131.10 and 3,516,639.40 is: 5,274,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,087.40 : 18,738,131.10 = 3,516,639.40 : x
  2. Step 2: Convert to fraction form
    12,492,087.40/18,738,131.10 = 3,516,639.40/x
  3. Step 3: Cross multiply
    12,492,087.40x = 18,738,131.10 × 3,516,639.40
  4. Step 4: Simplify right side
    12,492,087.40x = 65,895,250,108,625.34
  5. Step 5: Solve for x
    x = 65,895,250,108,625.34/12,492,087.40
  6. Step 6: Final answer
    x = 5,274,959.10

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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.