Home / 20,142,118.08-30,219,072.77-6,494,990.00

Finding the Fourth Proportional to 20,142,118.08, 30,219,072.77 and 6,494,990.00

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Solution

The fourth proportional to 20,142,118.08, 30,219,072.77 and 6,494,990.00 is: 9,744,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,118.08 : 30,219,072.77 = 6,494,990.00 : x
  2. Step 2: Convert to fraction form
    20,142,118.08/30,219,072.77 = 6,494,990.00/x
  3. Step 3: Cross multiply
    20,142,118.08x = 30,219,072.77 × 6,494,990.00
  4. Step 4: Simplify right side
    20,142,118.08x = 196,272,575,315,564.41
  5. Step 5: Solve for x
    x = 196,272,575,315,564.41/20,142,118.08
  6. Step 6: Final answer
    x = 9,744,386.09

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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.