Home / 13,451,346.47-18,558,230.81-8,154,749.59

Finding the Fourth Proportional to 13,451,346.47, 18,558,230.81 and 8,154,749.59

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Solution

The fourth proportional to 13,451,346.47, 18,558,230.81 and 8,154,749.59 is: 11,250,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,346.47 : 18,558,230.81 = 8,154,749.59 : x
  2. Step 2: Convert to fraction form
    13,451,346.47/18,558,230.81 = 8,154,749.59/x
  3. Step 3: Cross multiply
    13,451,346.47x = 18,558,230.81 × 8,154,749.59
  4. Step 4: Simplify right side
    13,451,346.47x = 151,337,725,001,803.56
  5. Step 5: Solve for x
    x = 151,337,725,001,803.56/13,451,346.47
  6. Step 6: Final answer
    x = 11,250,749.16

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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.