Home / 26,175,659.31-39,226,737.78-20,686,621.23

Finding the Fourth Proportional to 26,175,659.31, 39,226,737.78 and 20,686,621.23

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Solution

The fourth proportional to 26,175,659.31, 39,226,737.78 and 20,686,621.23 is: 31,000,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175,659.31 : 39,226,737.78 = 20,686,621.23 : x
  2. Step 2: Convert to fraction form
    26,175,659.31/39,226,737.78 = 20,686,621.23/x
  3. Step 3: Cross multiply
    26,175,659.31x = 39,226,737.78 × 20,686,621.23
  4. Step 4: Simplify right side
    26,175,659.31x = 811,468,666,543,391.12
  5. Step 5: Solve for x
    x = 811,468,666,543,391.12/26,175,659.31
  6. Step 6: Final answer
    x = 31,000,887.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.