Home / 13,434,825.84-18,534,221.31-8,537,425.71

Finding the Fourth Proportional to 13,434,825.84, 18,534,221.31 and 8,537,425.71

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Solution

The fourth proportional to 13,434,825.84, 18,534,221.31 and 8,537,425.71 is: 11,777,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,825.84 : 18,534,221.31 = 8,537,425.71 : x
  2. Step 2: Convert to fraction form
    13,434,825.84/18,534,221.31 = 8,537,425.71/x
  3. Step 3: Cross multiply
    13,434,825.84x = 18,534,221.31 × 8,537,425.71
  4. Step 4: Simplify right side
    13,434,825.84x = 158,234,537,434,152.75
  5. Step 5: Solve for x
    x = 158,234,537,434,152.75/13,434,825.84
  6. Step 6: Final answer
    x = 11,777,937.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.