Home / 13,306,857.70-19,960,286.55-4,787,472.10

Finding the Fourth Proportional to 13,306,857.70, 19,960,286.55 and 4,787,472.10

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Solution

The fourth proportional to 13,306,857.70, 19,960,286.55 and 4,787,472.10 is: 7,181,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,857.70 : 19,960,286.55 = 4,787,472.10 : x
  2. Step 2: Convert to fraction form
    13,306,857.70/19,960,286.55 = 4,787,472.10/x
  3. Step 3: Cross multiply
    13,306,857.70x = 19,960,286.55 × 4,787,472.10
  4. Step 4: Simplify right side
    13,306,857.70x = 95,559,314,966,130.25
  5. Step 5: Solve for x
    x = 95,559,314,966,130.25/13,306,857.70
  6. Step 6: Final answer
    x = 7,181,208.15

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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.