Home / 15,013,431.86-20,714,562.18-8,816,497.64

Finding the Fourth Proportional to 15,013,431.86, 20,714,562.18 and 8,816,497.64

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Solution

The fourth proportional to 15,013,431.86, 20,714,562.18 and 8,816,497.64 is: 12,164,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,431.86 : 20,714,562.18 = 8,816,497.64 : x
  2. Step 2: Convert to fraction form
    15,013,431.86/20,714,562.18 = 8,816,497.64/x
  3. Step 3: Cross multiply
    15,013,431.86x = 20,714,562.18 × 8,816,497.64
  4. Step 4: Simplify right side
    15,013,431.86x = 182,629,888,573,603.25
  5. Step 5: Solve for x
    x = 182,629,888,573,603.25/15,013,431.86
  6. Step 6: Final answer
    x = 12,164,433.17

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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.