Home / 9,129,696.84-12,598,827.78-5,055,228.36

Finding the Fourth Proportional to 9,129,696.84, 12,598,827.78 and 5,055,228.36

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Solution

The fourth proportional to 9,129,696.84, 12,598,827.78 and 5,055,228.36 is: 6,976,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,696.84 : 12,598,827.78 = 5,055,228.36 : x
  2. Step 2: Convert to fraction form
    9,129,696.84/12,598,827.78 = 5,055,228.36/x
  3. Step 3: Cross multiply
    9,129,696.84x = 12,598,827.78 × 5,055,228.36
  4. Step 4: Simplify right side
    9,129,696.84x = 63,689,951,496,211.84
  5. Step 5: Solve for x
    x = 63,689,951,496,211.84/9,129,696.84
  6. Step 6: Final answer
    x = 6,976,129.94

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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.