Home / 8,889,421.43-13,334,132.14-6,649,933.43

Finding the Fourth Proportional to 8,889,421.43, 13,334,132.14 and 6,649,933.43

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Solution

The fourth proportional to 8,889,421.43, 13,334,132.14 and 6,649,933.43 is: 9,974,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,421.43 : 13,334,132.14 = 6,649,933.43 : x
  2. Step 2: Convert to fraction form
    8,889,421.43/13,334,132.14 = 6,649,933.43/x
  3. Step 3: Cross multiply
    8,889,421.43x = 13,334,132.14 × 6,649,933.43
  4. Step 4: Simplify right side
    8,889,421.43x = 88,671,090,994,527.94
  5. Step 5: Solve for x
    x = 88,671,090,994,527.94/8,889,421.43
  6. Step 6: Final answer
    x = 9,974,900.14

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.