Home / 20,487,897.60-30,733,401.60-6,109,843.20

Finding the Fourth Proportional to 20,487,897.60, 30,733,401.60 and 6,109,843.20

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Solution

The fourth proportional to 20,487,897.60, 30,733,401.60 and 6,109,843.20 is: 9,165,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,897.60 : 30,733,401.60 = 6,109,843.20 : x
  2. Step 2: Convert to fraction form
    20,487,897.60/30,733,401.60 = 6,109,843.20/x
  3. Step 3: Cross multiply
    20,487,897.60x = 30,733,401.60 × 6,109,843.20
  4. Step 4: Simplify right side
    20,487,897.60x = 187,776,264,778,629.12
  5. Step 5: Solve for x
    x = 187,776,264,778,629.12/20,487,897.60
  6. Step 6: Final answer
    x = 9,165,228.59

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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.