Home / 34,238,781.58-47,244,473.88-20,820,601.66

Finding the Fourth Proportional to 34,238,781.58, 47,244,473.88 and 20,820,601.66

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Solution

The fourth proportional to 34,238,781.58, 47,244,473.88 and 20,820,601.66 is: 28,729,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,238,781.58 : 47,244,473.88 = 20,820,601.66 : x
  2. Step 2: Convert to fraction form
    34,238,781.58/47,244,473.88 = 20,820,601.66/x
  3. Step 3: Cross multiply
    34,238,781.58x = 47,244,473.88 × 20,820,601.66
  4. Step 4: Simplify right side
    34,238,781.58x = 983,658,371,291,754.75
  5. Step 5: Solve for x
    x = 983,658,371,291,754.75/34,238,781.58
  6. Step 6: Final answer
    x = 28,729,362.61

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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.