Home / 21,129,056.10-31,693,584.15-21,129,056.10

Finding the Fourth Proportional to 21,129,056.10, 31,693,584.15 and 21,129,056.10

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Solution

The fourth proportional to 21,129,056.10, 31,693,584.15 and 21,129,056.10 is: 31,693,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129,056.10 : 31,693,584.15 = 21,129,056.10 : x
  2. Step 2: Convert to fraction form
    21,129,056.10/31,693,584.15 = 21,129,056.10/x
  3. Step 3: Cross multiply
    21,129,056.10x = 31,693,584.15 × 21,129,056.10
  4. Step 4: Simplify right side
    21,129,056.10x = 669,655,517,515,420.88
  5. Step 5: Solve for x
    x = 669,655,517,515,420.88/21,129,056.10
  6. Step 6: Final answer
    x = 31,693,584.15

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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.