Home / 13,242,337.03-18,273,837.09-7,736,221.90

Finding the Fourth Proportional to 13,242,337.03, 18,273,837.09 and 7,736,221.90

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Solution

The fourth proportional to 13,242,337.03, 18,273,837.09 and 7,736,221.90 is: 10,675,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242,337.03 : 18,273,837.09 = 7,736,221.90 : x
  2. Step 2: Convert to fraction form
    13,242,337.03/18,273,837.09 = 7,736,221.90/x
  3. Step 3: Cross multiply
    13,242,337.03x = 18,273,837.09 × 7,736,221.90
  4. Step 4: Simplify right side
    13,242,337.03x = 141,370,458,692,690.28
  5. Step 5: Solve for x
    x = 141,370,458,692,690.28/13,242,337.03
  6. Step 6: Final answer
    x = 10,675,642.70

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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.