Home / 13,057,640.83-18,019,165.19-7,475,700.59

Finding the Fourth Proportional to 13,057,640.83, 18,019,165.19 and 7,475,700.59

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Solution

The fourth proportional to 13,057,640.83, 18,019,165.19 and 7,475,700.59 is: 10,316,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,640.83 : 18,019,165.19 = 7,475,700.59 : x
  2. Step 2: Convert to fraction form
    13,057,640.83/18,019,165.19 = 7,475,700.59/x
  3. Step 3: Cross multiply
    13,057,640.83x = 18,019,165.19 × 7,475,700.59
  4. Step 4: Simplify right side
    13,057,640.83x = 134,705,883,842,190.47
  5. Step 5: Solve for x
    x = 134,705,883,842,190.47/13,057,640.83
  6. Step 6: Final answer
    x = 10,316,249.74

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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.