Home / 13,971,118.26-19,277,856.90-8,088,656.88

Finding the Fourth Proportional to 13,971,118.26, 19,277,856.90 and 8,088,656.88

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Solution

The fourth proportional to 13,971,118.26, 19,277,856.90 and 8,088,656.88 is: 11,161,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,118.26 : 19,277,856.90 = 8,088,656.88 : x
  2. Step 2: Convert to fraction form
    13,971,118.26/19,277,856.90 = 8,088,656.88/x
  3. Step 3: Cross multiply
    13,971,118.26x = 19,277,856.90 × 8,088,656.88
  4. Step 4: Simplify right side
    13,971,118.26x = 155,931,969,845,840.47
  5. Step 5: Solve for x
    x = 155,931,969,845,840.47/13,971,118.26
  6. Step 6: Final answer
    x = 11,161,022.83

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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.