Home / 15,013,430.86-20,714,560.80-8,816,496.64

Finding the Fourth Proportional to 15,013,430.86, 20,714,560.80 and 8,816,496.64

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Solution

The fourth proportional to 15,013,430.86, 20,714,560.80 and 8,816,496.64 is: 12,164,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,430.86 : 20,714,560.80 = 8,816,496.64 : x
  2. Step 2: Convert to fraction form
    15,013,430.86/20,714,560.80 = 8,816,496.64/x
  3. Step 3: Cross multiply
    15,013,430.86x = 20,714,560.80 × 8,816,496.64
  4. Step 4: Simplify right side
    15,013,430.86x = 182,629,855,692,275.72
  5. Step 5: Solve for x
    x = 182,629,855,692,275.72/15,013,430.86
  6. Step 6: Final answer
    x = 12,164,431.79

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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.