Home / 10,116,123.81-13,960,220.25-5,469,876.45

Finding the Fourth Proportional to 10,116,123.81, 13,960,220.25 and 5,469,876.45

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Solution

The fourth proportional to 10,116,123.81, 13,960,220.25 and 5,469,876.45 is: 7,548,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116,123.81 : 13,960,220.25 = 5,469,876.45 : x
  2. Step 2: Convert to fraction form
    10,116,123.81/13,960,220.25 = 5,469,876.45/x
  3. Step 3: Cross multiply
    10,116,123.81x = 13,960,220.25 × 5,469,876.45
  4. Step 4: Simplify right side
    10,116,123.81x = 76,360,679,982,288.11
  5. Step 5: Solve for x
    x = 76,360,679,982,288.11/10,116,123.81
  6. Step 6: Final answer
    x = 7,548,412.95

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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.