Home / 13,699,944-18,905,922.72-7,588,768.32

Finding the Fourth Proportional to 13,699,944, 18,905,922.72 and 7,588,768.32

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Solution

The fourth proportional to 13,699,944, 18,905,922.72 and 7,588,768.32 is: 10,472,500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699,944 : 18,905,922.72 = 7,588,768.32 : x
  2. Step 2: Convert to fraction form
    13,699,944/18,905,922.72 = 7,588,768.32/x
  3. Step 3: Cross multiply
    13,699,944x = 18,905,922.72 × 7,588,768.32
  4. Step 4: Simplify right side
    13,699,944x = 143,472,667,397,904.22
  5. Step 5: Solve for x
    x = 143,472,667,397,904.22/13,699,944
  6. Step 6: Final answer
    x = 10,472,500.28

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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.