Home / 26,579,943.80-39,869,915.70-13,143,015.80

Finding the Fourth Proportional to 26,579,943.80, 39,869,915.70 and 13,143,015.80

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Solution

The fourth proportional to 26,579,943.80, 39,869,915.70 and 13,143,015.80 is: 19,714,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579,943.80 : 39,869,915.70 = 13,143,015.80 : x
  2. Step 2: Convert to fraction form
    26,579,943.80/39,869,915.70 = 13,143,015.80/x
  3. Step 3: Cross multiply
    26,579,943.80x = 39,869,915.70 × 13,143,015.80
  4. Step 4: Simplify right side
    26,579,943.80x = 524,010,931,989,768.12
  5. Step 5: Solve for x
    x = 524,010,931,989,768.12/26,579,943.80
  6. Step 6: Final answer
    x = 19,714,523.70

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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.