Home / 26,480,602.72-36,559,535.16-20,996,131.60

Finding the Fourth Proportional to 26,480,602.72, 36,559,535.16 and 20,996,131.60

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Solution

The fourth proportional to 26,480,602.72, 36,559,535.16 and 20,996,131.60 is: 28,987,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480,602.72 : 36,559,535.16 = 20,996,131.60 : x
  2. Step 2: Convert to fraction form
    26,480,602.72/36,559,535.16 = 20,996,131.60/x
  3. Step 3: Cross multiply
    26,480,602.72x = 36,559,535.16 × 20,996,131.60
  4. Step 4: Simplify right side
    26,480,602.72x = 767,608,811,454,187
  5. Step 5: Solve for x
    x = 767,608,811,454,187/26,480,602.72
  6. Step 6: Final answer
    x = 28,987,588.37

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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.