Home / 40,749,931.88-61,103,863.74-11,992,333.40

Finding the Fourth Proportional to 40,749,931.88, 61,103,863.74 and 11,992,333.40

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Solution

The fourth proportional to 40,749,931.88, 61,103,863.74 and 11,992,333.40 is: 17,982,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,749,931.88 : 61,103,863.74 = 11,992,333.40 : x
  2. Step 2: Convert to fraction form
    40,749,931.88/61,103,863.74 = 11,992,333.40/x
  3. Step 3: Cross multiply
    40,749,931.88x = 61,103,863.74 × 11,992,333.40
  4. Step 4: Simplify right side
    40,749,931.88x = 732,777,905,998,251
  5. Step 5: Solve for x
    x = 732,777,905,998,251/40,749,931.88
  6. Step 6: Final answer
    x = 17,982,309.96

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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.