Home / 12,273,915.12-18,451,233.60-11,386,075.20

Finding the Fourth Proportional to 12,273,915.12, 18,451,233.60 and 11,386,075.20

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Solution

The fourth proportional to 12,273,915.12, 18,451,233.60 and 11,386,075.20 is: 17,116,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273,915.12 : 18,451,233.60 = 11,386,075.20 : x
  2. Step 2: Convert to fraction form
    12,273,915.12/18,451,233.60 = 11,386,075.20/x
  3. Step 3: Cross multiply
    12,273,915.12x = 18,451,233.60 × 11,386,075.20
  4. Step 4: Simplify right side
    12,273,915.12x = 210,087,133,302,366.72
  5. Step 5: Solve for x
    x = 210,087,133,302,366.72/12,273,915.12
  6. Step 6: Final answer
    x = 17,116,554.19

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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.