Home / 10,935,515.40-16,395,399.90-6,144,673.20

Finding the Fourth Proportional to 10,935,515.40, 16,395,399.90 and 6,144,673.20

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Solution

The fourth proportional to 10,935,515.40, 16,395,399.90 and 6,144,673.20 is: 9,212,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,515.40 : 16,395,399.90 = 6,144,673.20 : x
  2. Step 2: Convert to fraction form
    10,935,515.40/16,395,399.90 = 6,144,673.20/x
  3. Step 3: Cross multiply
    10,935,515.40x = 16,395,399.90 × 6,144,673.20
  4. Step 4: Simplify right side
    10,935,515.40x = 100,744,374,368,812.69
  5. Step 5: Solve for x
    x = 100,744,374,368,812.69/10,935,515.40
  6. Step 6: Final answer
    x = 9,212,585.84

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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.