Home / 13,110,739.03-18,092,895.68-7,309,881.91

Finding the Fourth Proportional to 13,110,739.03, 18,092,895.68 and 7,309,881.91

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Solution

The fourth proportional to 13,110,739.03, 18,092,895.68 and 7,309,881.91 is: 10,087,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,739.03 : 18,092,895.68 = 7,309,881.91 : x
  2. Step 2: Convert to fraction form
    13,110,739.03/18,092,895.68 = 7,309,881.91/x
  3. Step 3: Cross multiply
    13,110,739.03x = 18,092,895.68 × 7,309,881.91
  4. Step 4: Simplify right side
    13,110,739.03x = 132,256,930,830,749.16
  5. Step 5: Solve for x
    x = 132,256,930,830,749.16/13,110,739.03
  6. Step 6: Final answer
    x = 10,087,679.31

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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.