Home / 20,135,506.02-30,190,897.88-7,825,095.20

Finding the Fourth Proportional to 20,135,506.02, 30,190,897.88 and 7,825,095.20

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Solution

The fourth proportional to 20,135,506.02, 30,190,897.88 and 7,825,095.20 is: 11,732,838.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,506.02 : 30,190,897.88 = 7,825,095.20 : x
  2. Step 2: Convert to fraction form
    20,135,506.02/30,190,897.88 = 7,825,095.20/x
  3. Step 3: Cross multiply
    20,135,506.02x = 30,190,897.88 × 7,825,095.20
  4. Step 4: Simplify right side
    20,135,506.02x = 236,246,650,140,392.69
  5. Step 5: Solve for x
    x = 236,246,650,140,392.69/20,135,506.02
  6. Step 6: Final answer
    x = 11,732,838.99

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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.