Home / 12,783,419.70-19,175,129.55-4,264,034.10

Finding the Fourth Proportional to 12,783,419.70, 19,175,129.55 and 4,264,034.10

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Solution

The fourth proportional to 12,783,419.70, 19,175,129.55 and 4,264,034.10 is: 6,396,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,419.70 : 19,175,129.55 = 4,264,034.10 : x
  2. Step 2: Convert to fraction form
    12,783,419.70/19,175,129.55 = 4,264,034.10/x
  3. Step 3: Cross multiply
    12,783,419.70x = 19,175,129.55 × 4,264,034.10
  4. Step 4: Simplify right side
    12,783,419.70x = 81,763,406,273,117.66
  5. Step 5: Solve for x
    x = 81,763,406,273,117.66/12,783,419.70
  6. Step 6: Final answer
    x = 6,396,051.15

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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.