Home / 12,786,110.16-19,186,731.80-4,704,760.84

Finding the Fourth Proportional to 12,786,110.16, 19,186,731.80 and 4,704,760.84

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Solution

The fourth proportional to 12,786,110.16, 19,186,731.80 and 4,704,760.84 is: 7,059,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,110.16 : 19,186,731.80 = 4,704,760.84 : x
  2. Step 2: Convert to fraction form
    12,786,110.16/19,186,731.80 = 4,704,760.84/x
  3. Step 3: Cross multiply
    12,786,110.16x = 19,186,731.80 × 4,704,760.84
  4. Step 4: Simplify right side
    12,786,110.16x = 90,268,984,420,222.72
  5. Step 5: Solve for x
    x = 90,268,984,420,222.72/12,786,110.16
  6. Step 6: Final answer
    x = 7,059,925.44

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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.