Home / 13,753,941.61-18,961,470.21-10,972,502.86

Finding the Fourth Proportional to 13,753,941.61, 18,961,470.21 and 10,972,502.86

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Solution

The fourth proportional to 13,753,941.61, 18,961,470.21 and 10,972,502.86 is: 15,126,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,941.61 : 18,961,470.21 = 10,972,502.86 : x
  2. Step 2: Convert to fraction form
    13,753,941.61/18,961,470.21 = 10,972,502.86/x
  3. Step 3: Cross multiply
    13,753,941.61x = 18,961,470.21 × 10,972,502.86
  4. Step 4: Simplify right side
    13,753,941.61x = 208,054,786,109,029.81
  5. Step 5: Solve for x
    x = 208,054,786,109,029.81/13,753,941.61
  6. Step 6: Final answer
    x = 15,126,920.85

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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.