Home / 12,874,126.31-19,308,195.86-4,790,908.70

Finding the Fourth Proportional to 12,874,126.31, 19,308,195.86 and 4,790,908.70

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Solution

The fourth proportional to 12,874,126.31, 19,308,195.86 and 4,790,908.70 is: 7,185,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,126.31 : 19,308,195.86 = 4,790,908.70 : x
  2. Step 2: Convert to fraction form
    12,874,126.31/19,308,195.86 = 4,790,908.70/x
  3. Step 3: Cross multiply
    12,874,126.31x = 19,308,195.86 × 4,790,908.70
  4. Step 4: Simplify right side
    12,874,126.31x = 92,503,803,478,888.20
  5. Step 5: Solve for x
    x = 92,503,803,478,888.20/12,874,126.31
  6. Step 6: Final answer
    x = 7,185,249.02

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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.