Home / 21,853,538.40-32,780,307.60-20,733,794.40

Finding the Fourth Proportional to 21,853,538.40, 32,780,307.60 and 20,733,794.40

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Solution

The fourth proportional to 21,853,538.40, 32,780,307.60 and 20,733,794.40 is: 31,100,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,538.40 : 32,780,307.60 = 20,733,794.40 : x
  2. Step 2: Convert to fraction form
    21,853,538.40/32,780,307.60 = 20,733,794.40/x
  3. Step 3: Cross multiply
    21,853,538.40x = 32,780,307.60 × 20,733,794.40
  4. Step 4: Simplify right side
    21,853,538.40x = 679,660,158,147,157.38
  5. Step 5: Solve for x
    x = 679,660,158,147,157.38/21,853,538.40
  6. Step 6: Final answer
    x = 31,100,691.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.