Home / 20,301,615.56-28,018,001-11,136,029.76

Finding the Fourth Proportional to 20,301,615.56, 28,018,001 and 11,136,029.76

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Solution

The fourth proportional to 20,301,615.56, 28,018,001 and 11,136,029.76 is: 15,368,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,615.56 : 28,018,001 = 11,136,029.76 : x
  2. Step 2: Convert to fraction form
    20,301,615.56/28,018,001 = 11,136,029.76/x
  3. Step 3: Cross multiply
    20,301,615.56x = 28,018,001 × 11,136,029.76
  4. Step 4: Simplify right side
    20,301,615.56x = 312,009,292,951,709.75
  5. Step 5: Solve for x
    x = 312,009,292,951,709.75/20,301,615.56
  6. Step 6: Final answer
    x = 15,368,692.80

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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.