Home / 18,550,925.96-27,830,663.90-6,420,389.55

Finding the Fourth Proportional to 18,550,925.96, 27,830,663.90 and 6,420,389.55

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Solution

The fourth proportional to 18,550,925.96, 27,830,663.90 and 6,420,389.55 is: 9,632,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550,925.96 : 27,830,663.90 = 6,420,389.55 : x
  2. Step 2: Convert to fraction form
    18,550,925.96/27,830,663.90 = 6,420,389.55/x
  3. Step 3: Cross multiply
    18,550,925.96x = 27,830,663.90 × 6,420,389.55
  4. Step 4: Simplify right side
    18,550,925.96x = 178,683,703,753,393.94
  5. Step 5: Solve for x
    x = 178,683,703,753,393.94/18,550,925.96
  6. Step 6: Final answer
    x = 9,632,063.87

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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.