Home / 27,551,538.66-38,021,473.13-15,163,058.46

Finding the Fourth Proportional to 27,551,538.66, 38,021,473.13 and 15,163,058.46

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Solution

The fourth proportional to 27,551,538.66, 38,021,473.13 and 15,163,058.46 is: 20,925,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551,538.66 : 38,021,473.13 = 15,163,058.46 : x
  2. Step 2: Convert to fraction form
    27,551,538.66/38,021,473.13 = 15,163,058.46/x
  3. Step 3: Cross multiply
    27,551,538.66x = 38,021,473.13 × 15,163,058.46
  4. Step 4: Simplify right side
    27,551,538.66x = 576,521,819,729,693.88
  5. Step 5: Solve for x
    x = 576,521,819,729,693.88/27,551,538.66
  6. Step 6: Final answer
    x = 20,925,213.17

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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.