Home / 18,172,511.40-27,235,611.90-9,656,927.40

Finding the Fourth Proportional to 18,172,511.40, 27,235,611.90 and 9,656,927.40

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Solution

The fourth proportional to 18,172,511.40, 27,235,611.90 and 9,656,927.40 is: 14,473,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,511.40 : 27,235,611.90 = 9,656,927.40 : x
  2. Step 2: Convert to fraction form
    18,172,511.40/27,235,611.90 = 9,656,927.40/x
  3. Step 3: Cross multiply
    18,172,511.40x = 27,235,611.90 × 9,656,927.40
  4. Step 4: Simplify right side
    18,172,511.40x = 263,012,326,812,876.06
  5. Step 5: Solve for x
    x = 263,012,326,812,876.06/18,172,511.40
  6. Step 6: Final answer
    x = 14,473,086.36

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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.