Home / 18,219,116.60-27,328,674.90-4,755,944.60

Finding the Fourth Proportional to 18,219,116.60, 27,328,674.90 and 4,755,944.60

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Solution

The fourth proportional to 18,219,116.60, 27,328,674.90 and 4,755,944.60 is: 7,133,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,116.60 : 27,328,674.90 = 4,755,944.60 : x
  2. Step 2: Convert to fraction form
    18,219,116.60/27,328,674.90 = 4,755,944.60/x
  3. Step 3: Cross multiply
    18,219,116.60x = 27,328,674.90 × 4,755,944.60
  4. Step 4: Simplify right side
    18,219,116.60x = 129,973,663,815,810.52
  5. Step 5: Solve for x
    x = 129,973,663,815,810.52/18,219,116.60
  6. Step 6: Final answer
    x = 7,133,916.90

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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.