Home / 28,317,085.92-39,055,378.23-19,381,492.35

Finding the Fourth Proportional to 28,317,085.92, 39,055,378.23 and 19,381,492.35

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Solution

The fourth proportional to 28,317,085.92, 39,055,378.23 and 19,381,492.35 is: 26,731,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,085.92 : 39,055,378.23 = 19,381,492.35 : x
  2. Step 2: Convert to fraction form
    28,317,085.92/39,055,378.23 = 19,381,492.35/x
  3. Step 3: Cross multiply
    28,317,085.92x = 39,055,378.23 × 19,381,492.35
  4. Step 4: Simplify right side
    28,317,085.92x = 756,951,514,391,101.50
  5. Step 5: Solve for x
    x = 756,951,514,391,101.50/28,317,085.92
  6. Step 6: Final answer
    x = 26,731,264.53

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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.