Home / 21,400,310.70-32,100,094.53-8,620,488.72

Finding the Fourth Proportional to 21,400,310.70, 32,100,094.53 and 8,620,488.72

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Solution

The fourth proportional to 21,400,310.70, 32,100,094.53 and 8,620,488.72 is: 12,930,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,310.70 : 32,100,094.53 = 8,620,488.72 : x
  2. Step 2: Convert to fraction form
    21,400,310.70/32,100,094.53 = 8,620,488.72/x
  3. Step 3: Cross multiply
    21,400,310.70x = 32,100,094.53 × 8,620,488.72
  4. Step 4: Simplify right side
    21,400,310.70x = 276,718,502,806,798.72
  5. Step 5: Solve for x
    x = 276,718,502,806,798.72/21,400,310.70
  6. Step 6: Final answer
    x = 12,930,583.42

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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.