Home / 13,132,549.86-19,683,152.55-6,112,218.48

Finding the Fourth Proportional to 13,132,549.86, 19,683,152.55 and 6,112,218.48

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Solution

The fourth proportional to 13,132,549.86, 19,683,152.55 and 6,112,218.48 is: 9,161,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,549.86 : 19,683,152.55 = 6,112,218.48 : x
  2. Step 2: Convert to fraction form
    13,132,549.86/19,683,152.55 = 6,112,218.48/x
  3. Step 3: Cross multiply
    13,132,549.86x = 19,683,152.55 × 6,112,218.48
  4. Step 4: Simplify right side
    13,132,549.86x = 120,307,728,760,769.14
  5. Step 5: Solve for x
    x = 120,307,728,760,769.14/13,132,549.86
  6. Step 6: Final answer
    x = 9,161,033.47

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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.