Home / 13,476,927.70-20,201,613.45-6,642,990.10

Finding the Fourth Proportional to 13,476,927.70, 20,201,613.45 and 6,642,990.10

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Solution

The fourth proportional to 13,476,927.70, 20,201,613.45 and 6,642,990.10 is: 9,957,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,927.70 : 20,201,613.45 = 6,642,990.10 : x
  2. Step 2: Convert to fraction form
    13,476,927.70/20,201,613.45 = 6,642,990.10/x
  3. Step 3: Cross multiply
    13,476,927.70x = 20,201,613.45 × 6,642,990.10
  4. Step 4: Simplify right side
    13,476,927.70x = 134,199,118,152,376.83
  5. Step 5: Solve for x
    x = 134,199,118,152,376.83/13,476,927.70
  6. Step 6: Final answer
    x = 9,957,693.71

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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.