Home / 18,638,492.51-27,944,748.52-8,258,069.27

Finding the Fourth Proportional to 18,638,492.51, 27,944,748.52 and 8,258,069.27

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Solution

The fourth proportional to 18,638,492.51, 27,944,748.52 and 8,258,069.27 is: 12,381,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,492.51 : 27,944,748.52 = 8,258,069.27 : x
  2. Step 2: Convert to fraction form
    18,638,492.51/27,944,748.52 = 8,258,069.27/x
  3. Step 3: Cross multiply
    18,638,492.51x = 27,944,748.52 × 8,258,069.27
  4. Step 4: Simplify right side
    18,638,492.51x = 230,769,669,060,106.66
  5. Step 5: Solve for x
    x = 230,769,669,060,106.66/18,638,492.51
  6. Step 6: Final answer
    x = 12,381,348.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.