Home / 51,132,988.64-76,699,687.08-12,794,392.64

Finding the Fourth Proportional to 51,132,988.64, 76,699,687.08 and 12,794,392.64

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Solution

The fourth proportional to 51,132,988.64, 76,699,687.08 and 12,794,392.64 is: 19,191,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,132,988.64 : 76,699,687.08 = 12,794,392.64 : x
  2. Step 2: Convert to fraction form
    51,132,988.64/76,699,687.08 = 12,794,392.64/x
  3. Step 3: Cross multiply
    51,132,988.64x = 76,699,687.08 × 12,794,392.64
  4. Step 4: Simplify right side
    51,132,988.64x = 981,325,911,866,655.12
  5. Step 5: Solve for x
    x = 981,325,911,866,655.12/51,132,988.64
  6. Step 6: Final answer
    x = 19,191,640.03

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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.