Home / 21,509,001.20-32,263,501.80-16,638,114.80

Finding the Fourth Proportional to 21,509,001.20, 32,263,501.80 and 16,638,114.80

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Solution

The fourth proportional to 21,509,001.20, 32,263,501.80 and 16,638,114.80 is: 24,957,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,001.20 : 32,263,501.80 = 16,638,114.80 : x
  2. Step 2: Convert to fraction form
    21,509,001.20/32,263,501.80 = 16,638,114.80/x
  3. Step 3: Cross multiply
    21,509,001.20x = 32,263,501.80 × 16,638,114.80
  4. Step 4: Simplify right side
    21,509,001.20x = 536,803,846,798,406.69
  5. Step 5: Solve for x
    x = 536,803,846,798,406.69/21,509,001.20
  6. Step 6: Final answer
    x = 24,957,172.20

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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.