Home / 12,202,109.32-16,840,405.10-7,045,459.80

Finding the Fourth Proportional to 12,202,109.32, 16,840,405.10 and 7,045,459.80

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Solution

The fourth proportional to 12,202,109.32, 16,840,405.10 and 7,045,459.80 is: 9,723,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202,109.32 : 16,840,405.10 = 7,045,459.80 : x
  2. Step 2: Convert to fraction form
    12,202,109.32/16,840,405.10 = 7,045,459.80/x
  3. Step 3: Cross multiply
    12,202,109.32x = 16,840,405.10 × 7,045,459.80
  4. Step 4: Simplify right side
    12,202,109.32x = 118,648,397,147,764.98
  5. Step 5: Solve for x
    x = 118,648,397,147,764.98/12,202,109.32
  6. Step 6: Final answer
    x = 9,723,597.29

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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.