Home / 13,665,885.66-18,858,182.13-7,553,920.50

Finding the Fourth Proportional to 13,665,885.66, 18,858,182.13 and 7,553,920.50

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Solution

The fourth proportional to 13,665,885.66, 18,858,182.13 and 7,553,920.50 is: 10,424,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,885.66 : 18,858,182.13 = 7,553,920.50 : x
  2. Step 2: Convert to fraction form
    13,665,885.66/18,858,182.13 = 7,553,920.50/x
  3. Step 3: Cross multiply
    13,665,885.66x = 18,858,182.13 × 7,553,920.50
  4. Step 4: Simplify right side
    13,665,885.66x = 142,453,208,584,540.66
  5. Step 5: Solve for x
    x = 142,453,208,584,540.66/13,665,885.66
  6. Step 6: Final answer
    x = 10,424,001.20

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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.