Home / 13,503,917.39-18,635,404.59-7,308,963

Finding the Fourth Proportional to 13,503,917.39, 18,635,404.59 and 7,308,963

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Solution

The fourth proportional to 13,503,917.39, 18,635,404.59 and 7,308,963 is: 10,086,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,917.39 : 18,635,404.59 = 7,308,963 : x
  2. Step 2: Convert to fraction form
    13,503,917.39/18,635,404.59 = 7,308,963/x
  3. Step 3: Cross multiply
    13,503,917.39x = 18,635,404.59 × 7,308,963
  4. Step 4: Simplify right side
    13,503,917.39x = 136,205,482,638,340.17
  5. Step 5: Solve for x
    x = 136,205,482,638,340.17/13,503,917.39
  6. Step 6: Final answer
    x = 10,086,368.18

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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.