Home / 12,923,563.61-17,834,517.88-7,122,345.44

Finding the Fourth Proportional to 12,923,563.61, 17,834,517.88 and 7,122,345.44

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Solution

The fourth proportional to 12,923,563.61, 17,834,517.88 and 7,122,345.44 is: 9,828,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,563.61 : 17,834,517.88 = 7,122,345.44 : x
  2. Step 2: Convert to fraction form
    12,923,563.61/17,834,517.88 = 7,122,345.44/x
  3. Step 3: Cross multiply
    12,923,563.61x = 17,834,517.88 × 7,122,345.44
  4. Step 4: Simplify right side
    12,923,563.61x = 127,023,596,990,238.02
  5. Step 5: Solve for x
    x = 127,023,596,990,238.02/12,923,563.61
  6. Step 6: Final answer
    x = 9,828,836.75

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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.