Home / 19,788,842.18-27,310,238.31-10,971,060.48

Finding the Fourth Proportional to 19,788,842.18, 27,310,238.31 and 10,971,060.48

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Solution

The fourth proportional to 19,788,842.18, 27,310,238.31 and 10,971,060.48 is: 15,140,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788,842.18 : 27,310,238.31 = 10,971,060.48 : x
  2. Step 2: Convert to fraction form
    19,788,842.18/27,310,238.31 = 10,971,060.48/x
  3. Step 3: Cross multiply
    19,788,842.18x = 27,310,238.31 × 10,971,060.48
  4. Step 4: Simplify right side
    19,788,842.18x = 299,622,276,222,223
  5. Step 5: Solve for x
    x = 299,622,276,222,223/19,788,842.18
  6. Step 6: Final answer
    x = 15,140,970.53

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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.