Home / 30,632,313.51-42,272,593.52-16,881,277.64

Finding the Fourth Proportional to 30,632,313.51, 42,272,593.52 and 16,881,277.64

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Solution

The fourth proportional to 30,632,313.51, 42,272,593.52 and 16,881,277.64 is: 23,296,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,313.51 : 42,272,593.52 = 16,881,277.64 : x
  2. Step 2: Convert to fraction form
    30,632,313.51/42,272,593.52 = 16,881,277.64/x
  3. Step 3: Cross multiply
    30,632,313.51x = 42,272,593.52 × 16,881,277.64
  4. Step 4: Simplify right side
    30,632,313.51x = 713,615,387,478,215.62
  5. Step 5: Solve for x
    x = 713,615,387,478,215.62/30,632,313.51
  6. Step 6: Final answer
    x = 23,296,163.62

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Double scale
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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.