Home / 16,420,422.89-22,660,656.89-9,078,730.26

Finding the Fourth Proportional to 16,420,422.89, 22,660,656.89 and 9,078,730.26

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Solution

The fourth proportional to 16,420,422.89, 22,660,656.89 and 9,078,730.26 is: 12,528,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420,422.89 : 22,660,656.89 = 9,078,730.26 : x
  2. Step 2: Convert to fraction form
    16,420,422.89/22,660,656.89 = 9,078,730.26/x
  3. Step 3: Cross multiply
    16,420,422.89x = 22,660,656.89 × 9,078,730.26
  4. Step 4: Simplify right side
    16,420,422.89x = 205,729,991,373,326.84
  5. Step 5: Solve for x
    x = 205,729,991,373,326.84/16,420,422.89
  6. Step 6: Final answer
    x = 12,528,909.44

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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.