Home / 21,657,867.89-32,469,940.26-10,720,511.19

Finding the Fourth Proportional to 21,657,867.89, 32,469,940.26 and 10,720,511.19

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Solution

The fourth proportional to 21,657,867.89, 32,469,940.26 and 10,720,511.19 is: 16,072,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,867.89 : 32,469,940.26 = 10,720,511.19 : x
  2. Step 2: Convert to fraction form
    21,657,867.89/32,469,940.26 = 10,720,511.19/x
  3. Step 3: Cross multiply
    21,657,867.89x = 32,469,940.26 × 10,720,511.19
  4. Step 4: Simplify right side
    21,657,867.89x = 348,094,357,895,961.50
  5. Step 5: Solve for x
    x = 348,094,357,895,961.50/21,657,867.89
  6. Step 6: Final answer
    x = 16,072,420.41

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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.