Home / 9,321,274.92-12,859,878.51-9,306,904.98

Finding the Fourth Proportional to 9,321,274.92, 12,859,878.51 and 9,306,904.98

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Solution

The fourth proportional to 9,321,274.92, 12,859,878.51 and 9,306,904.98 is: 12,840,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321,274.92 : 12,859,878.51 = 9,306,904.98 : x
  2. Step 2: Convert to fraction form
    9,321,274.92/12,859,878.51 = 9,306,904.98/x
  3. Step 3: Cross multiply
    9,321,274.92x = 12,859,878.51 × 9,306,904.98
  4. Step 4: Simplify right side
    9,321,274.92x = 119,685,667,346,913.98
  5. Step 5: Solve for x
    x = 119,685,667,346,913.98/9,321,274.92
  6. Step 6: Final answer
    x = 12,840,053.36

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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.