Home / 27,864,631.80-41,796,947.70-12,748,087.80

Finding the Fourth Proportional to 27,864,631.80, 41,796,947.70 and 12,748,087.80

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Solution

The fourth proportional to 27,864,631.80, 41,796,947.70 and 12,748,087.80 is: 19,122,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864,631.80 : 41,796,947.70 = 12,748,087.80 : x
  2. Step 2: Convert to fraction form
    27,864,631.80/41,796,947.70 = 12,748,087.80/x
  3. Step 3: Cross multiply
    27,864,631.80x = 41,796,947.70 × 12,748,087.80
  4. Step 4: Simplify right side
    27,864,631.80x = 532,831,159,051,608.12
  5. Step 5: Solve for x
    x = 532,831,159,051,608.12/27,864,631.80
  6. Step 6: Final answer
    x = 19,122,131.70

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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.