Home / 9,140,767.76-12,614,657.64-5,066,390

Finding the Fourth Proportional to 9,140,767.76, 12,614,657.64 and 5,066,390

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Solution

The fourth proportional to 9,140,767.76, 12,614,657.64 and 5,066,390 is: 6,991,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140,767.76 : 12,614,657.64 = 5,066,390 : x
  2. Step 2: Convert to fraction form
    9,140,767.76/12,614,657.64 = 5,066,390/x
  3. Step 3: Cross multiply
    9,140,767.76x = 12,614,657.64 × 5,066,390
  4. Step 4: Simplify right side
    9,140,767.76x = 63,910,775,320,719.60
  5. Step 5: Solve for x
    x = 63,910,775,320,719.60/9,140,767.76
  6. Step 6: Final answer
    x = 6,991,838.87

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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.