Home / 13,614,500.01-18,788,013-7,419,548.19

Finding the Fourth Proportional to 13,614,500.01, 18,788,013 and 7,419,548.19

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Solution

The fourth proportional to 13,614,500.01, 18,788,013 and 7,419,548.19 is: 10,238,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,500.01 : 18,788,013 = 7,419,548.19 : x
  2. Step 2: Convert to fraction form
    13,614,500.01/18,788,013 = 7,419,548.19/x
  3. Step 3: Cross multiply
    13,614,500.01x = 18,788,013 × 7,419,548.19
  4. Step 4: Simplify right side
    13,614,500.01x = 139,398,567,847,846.48
  5. Step 5: Solve for x
    x = 139,398,567,847,846.48/13,614,500.01
  6. Step 6: Final answer
    x = 10,238,978.13

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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.