Home / 21,333,208.60-31,974,230.10-10,947,747.16

Finding the Fourth Proportional to 21,333,208.60, 31,974,230.10 and 10,947,747.16

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Solution

The fourth proportional to 21,333,208.60, 31,974,230.10 and 10,947,747.16 is: 16,408,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,208.60 : 31,974,230.10 = 10,947,747.16 : x
  2. Step 2: Convert to fraction form
    21,333,208.60/31,974,230.10 = 10,947,747.16/x
  3. Step 3: Cross multiply
    21,333,208.60x = 31,974,230.10 × 10,947,747.16
  4. Step 4: Simplify right side
    21,333,208.60x = 350,045,786,770,461.56
  5. Step 5: Solve for x
    x = 350,045,786,770,461.56/21,333,208.60
  6. Step 6: Final answer
    x = 16,408,492.19

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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.