Home / 12,936,134.10-19,404,201.15-8,905,055.70

Finding the Fourth Proportional to 12,936,134.10, 19,404,201.15 and 8,905,055.70

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Solution

The fourth proportional to 12,936,134.10, 19,404,201.15 and 8,905,055.70 is: 13,357,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,134.10 : 19,404,201.15 = 8,905,055.70 : x
  2. Step 2: Convert to fraction form
    12,936,134.10/19,404,201.15 = 8,905,055.70/x
  3. Step 3: Cross multiply
    12,936,134.10x = 19,404,201.15 × 8,905,055.70
  4. Step 4: Simplify right side
    12,936,134.10x = 172,795,492,054,754.03
  5. Step 5: Solve for x
    x = 172,795,492,054,754.03/12,936,134.10
  6. Step 6: Final answer
    x = 13,357,583.55

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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.