Home / 26,355,721.20-39,555,700.20-12,904,047.60

Finding the Fourth Proportional to 26,355,721.20, 39,555,700.20 and 12,904,047.60

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Solution

The fourth proportional to 26,355,721.20, 39,555,700.20 and 12,904,047.60 is: 19,366,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355,721.20 : 39,555,700.20 = 12,904,047.60 : x
  2. Step 2: Convert to fraction form
    26,355,721.20/39,555,700.20 = 12,904,047.60/x
  3. Step 3: Cross multiply
    26,355,721.20x = 39,555,700.20 × 12,904,047.60
  4. Step 4: Simplify right side
    26,355,721.20x = 510,428,638,232,129.56
  5. Step 5: Solve for x
    x = 510,428,638,232,129.56/26,355,721.20
  6. Step 6: Final answer
    x = 19,366,900.81

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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.