Home / 13,110,741.80-18,092,899.50-7,309,884.68

Finding the Fourth Proportional to 13,110,741.80, 18,092,899.50 and 7,309,884.68

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Solution

The fourth proportional to 13,110,741.80, 18,092,899.50 and 7,309,884.68 is: 10,087,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,741.80 : 18,092,899.50 = 7,309,884.68 : x
  2. Step 2: Convert to fraction form
    13,110,741.80/18,092,899.50 = 7,309,884.68/x
  3. Step 3: Cross multiply
    13,110,741.80x = 18,092,899.50 × 7,309,884.68
  4. Step 4: Simplify right side
    13,110,741.80x = 132,257,008,871,829.66
  5. Step 5: Solve for x
    x = 132,257,008,871,829.66/13,110,741.80
  6. Step 6: Final answer
    x = 10,087,683.13

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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.