Home / 13,065,550.42-18,029,523.64-7,185,598.63

Finding the Fourth Proportional to 13,065,550.42, 18,029,523.64 and 7,185,598.63

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Solution

The fourth proportional to 13,065,550.42, 18,029,523.64 and 7,185,598.63 is: 9,915,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,550.42 : 18,029,523.64 = 7,185,598.63 : x
  2. Step 2: Convert to fraction form
    13,065,550.42/18,029,523.64 = 7,185,598.63/x
  3. Step 3: Cross multiply
    13,065,550.42x = 18,029,523.64 × 7,185,598.63
  4. Step 4: Simplify right side
    13,065,550.42x = 129,552,920,367,136.61
  5. Step 5: Solve for x
    x = 129,552,920,367,136.61/13,065,550.42
  6. Step 6: Final answer
    x = 9,915,611.38

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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.