Home / 38,285,492.34-52,834,609.20-20,881,837.70

Finding the Fourth Proportional to 38,285,492.34, 52,834,609.20 and 20,881,837.70

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Solution

The fourth proportional to 38,285,492.34, 52,834,609.20 and 20,881,837.70 is: 28,817,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285,492.34 : 52,834,609.20 = 20,881,837.70 : x
  2. Step 2: Convert to fraction form
    38,285,492.34/52,834,609.20 = 20,881,837.70/x
  3. Step 3: Cross multiply
    38,285,492.34x = 52,834,609.20 × 20,881,837.70
  4. Step 4: Simplify right side
    38,285,492.34x = 1,103,283,734,257,326.88
  5. Step 5: Solve for x
    x = 1,103,283,734,257,326.88/38,285,492.34
  6. Step 6: Final answer
    x = 28,817,279.52

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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.