Home / 15,106,717.86-20,847,273.63-8,231,199.93

Finding the Fourth Proportional to 15,106,717.86, 20,847,273.63 and 8,231,199.93

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Solution

The fourth proportional to 15,106,717.86, 20,847,273.63 and 8,231,199.93 is: 11,359,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,717.86 : 20,847,273.63 = 8,231,199.93 : x
  2. Step 2: Convert to fraction form
    15,106,717.86/20,847,273.63 = 8,231,199.93/x
  3. Step 3: Cross multiply
    15,106,717.86x = 20,847,273.63 × 8,231,199.93
  4. Step 4: Simplify right side
    15,106,717.86x = 171,598,077,243,946.84
  5. Step 5: Solve for x
    x = 171,598,077,243,946.84/15,106,717.86
  6. Step 6: Final answer
    x = 11,359,057.53

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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.