Home / 12,476,683.70-18,715,025.55-10,650,101.30

Finding the Fourth Proportional to 12,476,683.70, 18,715,025.55 and 10,650,101.30

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Solution

The fourth proportional to 12,476,683.70, 18,715,025.55 and 10,650,101.30 is: 15,975,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,683.70 : 18,715,025.55 = 10,650,101.30 : x
  2. Step 2: Convert to fraction form
    12,476,683.70/18,715,025.55 = 10,650,101.30/x
  3. Step 3: Cross multiply
    12,476,683.70x = 18,715,025.55 × 10,650,101.30
  4. Step 4: Simplify right side
    12,476,683.70x = 199,316,917,939,588.25
  5. Step 5: Solve for x
    x = 199,316,917,939,588.25/12,476,683.70
  6. Step 6: Final answer
    x = 15,975,151.95

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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.