Home / 31,940,813.64-47,919,296.16-8,911,735.68

Finding the Fourth Proportional to 31,940,813.64, 47,919,296.16 and 8,911,735.68

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Solution

The fourth proportional to 31,940,813.64, 47,919,296.16 and 8,911,735.68 is: 13,369,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940,813.64 : 47,919,296.16 = 8,911,735.68 : x
  2. Step 2: Convert to fraction form
    31,940,813.64/47,919,296.16 = 8,911,735.68/x
  3. Step 3: Cross multiply
    31,940,813.64x = 47,919,296.16 × 8,911,735.68
  4. Step 4: Simplify right side
    31,940,813.64x = 427,044,101,349,558.94
  5. Step 5: Solve for x
    x = 427,044,101,349,558.94/31,940,813.64
  6. Step 6: Final answer
    x = 13,369,856.70

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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.