Home / 20,723,511.20-31,085,266.80-16,941,264.80

Finding the Fourth Proportional to 20,723,511.20, 31,085,266.80 and 16,941,264.80

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Solution

The fourth proportional to 20,723,511.20, 31,085,266.80 and 16,941,264.80 is: 25,411,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,511.20 : 31,085,266.80 = 16,941,264.80 : x
  2. Step 2: Convert to fraction form
    20,723,511.20/31,085,266.80 = 16,941,264.80/x
  3. Step 3: Cross multiply
    20,723,511.20x = 31,085,266.80 × 16,941,264.80
  4. Step 4: Simplify right side
    20,723,511.20x = 526,623,736,237,448.69
  5. Step 5: Solve for x
    x = 526,623,736,237,448.69/20,723,511.20
  6. Step 6: Final answer
    x = 25,411,897.20

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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.