Home / 40,533,145.29-60,809,983.34-11,778,663.69

Finding the Fourth Proportional to 40,533,145.29, 60,809,983.34 and 11,778,663.69

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Solution

The fourth proportional to 40,533,145.29, 60,809,983.34 and 11,778,663.69 is: 17,670,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,533,145.29 : 60,809,983.34 = 11,778,663.69 : x
  2. Step 2: Convert to fraction form
    40,533,145.29/60,809,983.34 = 11,778,663.69/x
  3. Step 3: Cross multiply
    40,533,145.29x = 60,809,983.34 × 11,778,663.69
  4. Step 4: Simplify right side
    40,533,145.29x = 716,260,342,697,469.62
  5. Step 5: Solve for x
    x = 716,260,342,697,469.62/40,533,145.29
  6. Step 6: Final answer
    x = 17,670,978.59

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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.