Home / 13,443,396.12-20,164,990.50-3,345,949.08

Finding the Fourth Proportional to 13,443,396.12, 20,164,990.50 and 3,345,949.08

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Solution

The fourth proportional to 13,443,396.12, 20,164,990.50 and 3,345,949.08 is: 5,018,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,396.12 : 20,164,990.50 = 3,345,949.08 : x
  2. Step 2: Convert to fraction form
    13,443,396.12/20,164,990.50 = 3,345,949.08/x
  3. Step 3: Cross multiply
    13,443,396.12x = 20,164,990.50 × 3,345,949.08
  4. Step 4: Simplify right side
    13,443,396.12x = 67,471,031,411,683.74
  5. Step 5: Solve for x
    x = 67,471,031,411,683.74/13,443,396.12
  6. Step 6: Final answer
    x = 5,018,897.81

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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.