Home / 40,749,935.88-61,103,869.74-11,992,337.40

Finding the Fourth Proportional to 40,749,935.88, 61,103,869.74 and 11,992,337.40

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Solution

The fourth proportional to 40,749,935.88, 61,103,869.74 and 11,992,337.40 is: 17,982,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,749,935.88 : 61,103,869.74 = 11,992,337.40 : x
  2. Step 2: Convert to fraction form
    40,749,935.88/61,103,869.74 = 11,992,337.40/x
  3. Step 3: Cross multiply
    40,749,935.88x = 61,103,869.74 × 11,992,337.40
  4. Step 4: Simplify right side
    40,749,935.88x = 732,778,222,367,730.38
  5. Step 5: Solve for x
    x = 732,778,222,367,730.38/40,749,935.88
  6. Step 6: Final answer
    x = 17,982,315.96

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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.