Home / 26,480,943.03-36,560,004.71-20,996,471.91

Finding the Fourth Proportional to 26,480,943.03, 36,560,004.71 and 20,996,471.91

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Solution

The fourth proportional to 26,480,943.03, 36,560,004.71 and 20,996,471.91 is: 28,988,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480,943.03 : 36,560,004.71 = 20,996,471.91 : x
  2. Step 2: Convert to fraction form
    26,480,943.03/36,560,004.71 = 20,996,471.91/x
  3. Step 3: Cross multiply
    26,480,943.03x = 36,560,004.71 × 20,996,471.91
  4. Step 4: Simplify right side
    26,480,943.03x = 767,631,111,818,000.25
  5. Step 5: Solve for x
    x = 767,631,111,818,000.25/26,480,943.03
  6. Step 6: Final answer
    x = 28,988,057.98

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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.