Home / 18,436,605.40-27,671,638.65-9,345,027.70

Finding the Fourth Proportional to 18,436,605.40, 27,671,638.65 and 9,345,027.70

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Solution

The fourth proportional to 18,436,605.40, 27,671,638.65 and 9,345,027.70 is: 14,026,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,605.40 : 27,671,638.65 = 9,345,027.70 : x
  2. Step 2: Convert to fraction form
    18,436,605.40/27,671,638.65 = 9,345,027.70/x
  3. Step 3: Cross multiply
    18,436,605.40x = 27,671,638.65 × 9,345,027.70
  4. Step 4: Simplify right side
    18,436,605.40x = 258,592,229,688,640.56
  5. Step 5: Solve for x
    x = 258,592,229,688,640.56/18,436,605.40
  6. Step 6: Final answer
    x = 14,026,021.82

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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.