Home / 13,458,859.33-18,573,301.34-7,657,640.95

Finding the Fourth Proportional to 13,458,859.33, 18,573,301.34 and 7,657,640.95

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Solution

The fourth proportional to 13,458,859.33, 18,573,301.34 and 7,657,640.95 is: 10,567,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,859.33 : 18,573,301.34 = 7,657,640.95 : x
  2. Step 2: Convert to fraction form
    13,458,859.33/18,573,301.34 = 7,657,640.95/x
  3. Step 3: Cross multiply
    13,458,859.33x = 18,573,301.34 × 7,657,640.95
  4. Step 4: Simplify right side
    13,458,859.33x = 142,227,672,917,873.88
  5. Step 5: Solve for x
    x = 142,227,672,917,873.88/13,458,859.33
  6. Step 6: Final answer
    x = 10,567,587.45

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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.