Home / 15,853,071.26-21,877,776.88-15,126,657.86

Finding the Fourth Proportional to 15,853,071.26, 21,877,776.88 and 15,126,657.86

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Solution

The fourth proportional to 15,853,071.26, 21,877,776.88 and 15,126,657.86 is: 20,875,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,071.26 : 21,877,776.88 = 15,126,657.86 : x
  2. Step 2: Convert to fraction form
    15,853,071.26/21,877,776.88 = 15,126,657.86/x
  3. Step 3: Cross multiply
    15,853,071.26x = 21,877,776.88 × 15,126,657.86
  4. Step 4: Simplify right side
    15,853,071.26x = 330,937,645,601,178.25
  5. Step 5: Solve for x
    x = 330,937,645,601,178.25/15,853,071.26
  6. Step 6: Final answer
    x = 20,875,301.71

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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.