Home / 20,392,370.13-28,142,213.34-11,099,491.36

Finding the Fourth Proportional to 20,392,370.13, 28,142,213.34 and 11,099,491.36

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Solution

The fourth proportional to 20,392,370.13, 28,142,213.34 and 11,099,491.36 is: 15,317,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,370.13 : 28,142,213.34 = 11,099,491.36 : x
  2. Step 2: Convert to fraction form
    20,392,370.13/28,142,213.34 = 11,099,491.36/x
  3. Step 3: Cross multiply
    20,392,370.13x = 28,142,213.34 × 11,099,491.36
  4. Step 4: Simplify right side
    20,392,370.13x = 312,364,253,818,606.75
  5. Step 5: Solve for x
    x = 312,364,253,818,606.75/20,392,370.13
  6. Step 6: Final answer
    x = 15,317,702.25

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1.5x scale

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.