Home / 12,161,574.27-16,782,971.81-6,654,949.53

Finding the Fourth Proportional to 12,161,574.27, 16,782,971.81 and 6,654,949.53

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Solution

The fourth proportional to 12,161,574.27, 16,782,971.81 and 6,654,949.53 is: 9,183,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,574.27 : 16,782,971.81 = 6,654,949.53 : x
  2. Step 2: Convert to fraction form
    12,161,574.27/16,782,971.81 = 6,654,949.53/x
  3. Step 3: Cross multiply
    12,161,574.27x = 16,782,971.81 × 6,654,949.53
  4. Step 4: Simplify right side
    12,161,574.27x = 111,689,830,325,688
  5. Step 5: Solve for x
    x = 111,689,830,325,688/12,161,574.27
  6. Step 6: Final answer
    x = 9,183,829.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.