Home / 21,576,073.60-32,336,554.20-8,782,123.60

Finding the Fourth Proportional to 21,576,073.60, 32,336,554.20 and 8,782,123.60

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Solution

The fourth proportional to 21,576,073.60, 32,336,554.20 and 8,782,123.60 is: 13,161,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,073.60 : 32,336,554.20 = 8,782,123.60 : x
  2. Step 2: Convert to fraction form
    21,576,073.60/32,336,554.20 = 8,782,123.60/x
  3. Step 3: Cross multiply
    21,576,073.60x = 32,336,554.20 × 8,782,123.60
  4. Step 4: Simplify right side
    21,576,073.60x = 283,983,615,782,499.12
  5. Step 5: Solve for x
    x = 283,983,615,782,499.12/21,576,073.60
  6. Step 6: Final answer
    x = 13,161,969.18

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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.