Home / 31,200,822.52-46,710,167.08-18,207,155.68

Finding the Fourth Proportional to 31,200,822.52, 46,710,167.08 and 18,207,155.68

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Solution

The fourth proportional to 31,200,822.52, 46,710,167.08 and 18,207,155.68 is: 27,257,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200,822.52 : 46,710,167.08 = 18,207,155.68 : x
  2. Step 2: Convert to fraction form
    31,200,822.52/46,710,167.08 = 18,207,155.68/x
  3. Step 3: Cross multiply
    31,200,822.52x = 46,710,167.08 × 18,207,155.68
  4. Step 4: Simplify right side
    31,200,822.52x = 850,459,283,864,371
  5. Step 5: Solve for x
    x = 850,459,283,864,371/31,200,822.52
  6. Step 6: Final answer
    x = 27,257,591.79

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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.