Home / 12,944,935.80-19,433,378.10-8,152,615.80

Finding the Fourth Proportional to 12,944,935.80, 19,433,378.10 and 8,152,615.80

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Solution

The fourth proportional to 12,944,935.80, 19,433,378.10 and 8,152,615.80 is: 12,238,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,935.80 : 19,433,378.10 = 8,152,615.80 : x
  2. Step 2: Convert to fraction form
    12,944,935.80/19,433,378.10 = 8,152,615.80/x
  3. Step 3: Cross multiply
    12,944,935.80x = 19,433,378.10 × 8,152,615.80
  4. Step 4: Simplify right side
    12,944,935.80x = 158,432,865,345,434
  5. Step 5: Solve for x
    x = 158,432,865,345,434/12,944,935.80
  6. Step 6: Final answer
    x = 12,238,984.25

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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.