Home / 27,819,625.06-38,346,740.43-21,929,661.66

Finding the Fourth Proportional to 27,819,625.06, 38,346,740.43 and 21,929,661.66

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Solution

The fourth proportional to 27,819,625.06, 38,346,740.43 and 21,929,661.66 is: 30,227,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819,625.06 : 38,346,740.43 = 21,929,661.66 : x
  2. Step 2: Convert to fraction form
    27,819,625.06/38,346,740.43 = 21,929,661.66/x
  3. Step 3: Cross multiply
    27,819,625.06x = 38,346,740.43 × 21,929,661.66
  4. Step 4: Simplify right side
    27,819,625.06x = 840,931,043,393,742.88
  5. Step 5: Solve for x
    x = 840,931,043,393,742.88/27,819,625.06
  6. Step 6: Final answer
    x = 30,227,979.05

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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.