Home / 20,128,663.03-27,773,865.06-11,871,309.19

Finding the Fourth Proportional to 20,128,663.03, 27,773,865.06 and 11,871,309.19

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Solution

The fourth proportional to 20,128,663.03, 27,773,865.06 and 11,871,309.19 is: 16,380,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,663.03 : 27,773,865.06 = 11,871,309.19 : x
  2. Step 2: Convert to fraction form
    20,128,663.03/27,773,865.06 = 11,871,309.19/x
  3. Step 3: Cross multiply
    20,128,663.03x = 27,773,865.06 × 11,871,309.19
  4. Step 4: Simplify right side
    20,128,663.03x = 329,712,139,528,597.88
  5. Step 5: Solve for x
    x = 329,712,139,528,597.88/20,128,663.03
  6. Step 6: Final answer
    x = 16,380,230.47

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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.