Home / 9,049,200.92-12,487,634.73-5,129,318.40

Finding the Fourth Proportional to 9,049,200.92, 12,487,634.73 and 5,129,318.40

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Solution

The fourth proportional to 9,049,200.92, 12,487,634.73 and 5,129,318.40 is: 7,078,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049,200.92 : 12,487,634.73 = 5,129,318.40 : x
  2. Step 2: Convert to fraction form
    9,049,200.92/12,487,634.73 = 5,129,318.40/x
  3. Step 3: Cross multiply
    9,049,200.92x = 12,487,634.73 × 5,129,318.40
  4. Step 4: Simplify right side
    9,049,200.92x = 64,053,054,593,068.04
  5. Step 5: Solve for x
    x = 64,053,054,593,068.04/9,049,200.92
  6. Step 6: Final answer
    x = 7,078,310.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.