Home / 10,921,532.40-16,380,986.40-4,531,118.40

Finding the Fourth Proportional to 10,921,532.40, 16,380,986.40 and 4,531,118.40

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Solution

The fourth proportional to 10,921,532.40, 16,380,986.40 and 4,531,118.40 is: 6,796,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,532.40 : 16,380,986.40 = 4,531,118.40 : x
  2. Step 2: Convert to fraction form
    10,921,532.40/16,380,986.40 = 4,531,118.40/x
  3. Step 3: Cross multiply
    10,921,532.40x = 16,380,986.40 × 4,531,118.40
  4. Step 4: Simplify right side
    10,921,532.40x = 74,224,188,887,189.77
  5. Step 5: Solve for x
    x = 74,224,188,887,189.77/10,921,532.40
  6. Step 6: Final answer
    x = 6,796,133.20

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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.