Home / 56,753,346.96-85,130,021.57-13,622,550.34

Finding the Fourth Proportional to 56,753,346.96, 85,130,021.57 and 13,622,550.34

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Solution

The fourth proportional to 56,753,346.96, 85,130,021.57 and 13,622,550.34 is: 20,433,825.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753,346.96 : 85,130,021.57 = 13,622,550.34 : x
  2. Step 2: Convert to fraction form
    56,753,346.96/85,130,021.57 = 13,622,550.34/x
  3. Step 3: Cross multiply
    56,753,346.96x = 85,130,021.57 × 13,622,550.34
  4. Step 4: Simplify right side
    56,753,346.96x = 1,159,688,004,282,610.75
  5. Step 5: Solve for x
    x = 1,159,688,004,282,610.75/56,753,346.96
  6. Step 6: Final answer
    x = 20,433,825.78

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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.