Home / 31,689,530.43-47,537,518.05-10,937,267.70

Finding the Fourth Proportional to 31,689,530.43, 47,537,518.05 and 10,937,267.70

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Solution

The fourth proportional to 31,689,530.43, 47,537,518.05 and 10,937,267.70 is: 16,407,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,689,530.43 : 47,537,518.05 = 10,937,267.70 : x
  2. Step 2: Convert to fraction form
    31,689,530.43/47,537,518.05 = 10,937,267.70/x
  3. Step 3: Cross multiply
    31,689,530.43x = 47,537,518.05 × 10,937,267.70
  4. Step 4: Simplify right side
    31,689,530.43x = 519,930,560,706,431.94
  5. Step 5: Solve for x
    x = 519,930,560,706,431.94/31,689,530.43
  6. Step 6: Final answer
    x = 16,407,013.73

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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.