Home / 21,333,209.60-31,974,231.60-10,947,748.16

Finding the Fourth Proportional to 21,333,209.60, 31,974,231.60 and 10,947,748.16

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Solution

The fourth proportional to 21,333,209.60, 31,974,231.60 and 10,947,748.16 is: 16,408,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,209.60 : 31,974,231.60 = 10,947,748.16 : x
  2. Step 2: Convert to fraction form
    21,333,209.60/31,974,231.60 = 10,947,748.16/x
  3. Step 3: Cross multiply
    21,333,209.60x = 31,974,231.60 × 10,947,748.16
  4. Step 4: Simplify right side
    21,333,209.60x = 350,045,835,166,313.88
  5. Step 5: Solve for x
    x = 350,045,835,166,313.88/21,333,209.60
  6. Step 6: Final answer
    x = 16,408,493.69

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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.