Home / 13,762,683.88-18,991,427.94-7,650,740.20

Finding the Fourth Proportional to 13,762,683.88, 18,991,427.94 and 7,650,740.20

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Solution

The fourth proportional to 13,762,683.88, 18,991,427.94 and 7,650,740.20 is: 10,557,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,683.88 : 18,991,427.94 = 7,650,740.20 : x
  2. Step 2: Convert to fraction form
    13,762,683.88/18,991,427.94 = 7,650,740.20/x
  3. Step 3: Cross multiply
    13,762,683.88x = 18,991,427.94 × 7,650,740.20
  4. Step 4: Simplify right side
    13,762,683.88x = 145,298,481,195,961.19
  5. Step 5: Solve for x
    x = 145,298,481,195,961.19/13,762,683.88
  6. Step 6: Final answer
    x = 10,557,423.43

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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.