Home / 8,579,934.18-12,869,897.17-2,190,184.48

Finding the Fourth Proportional to 8,579,934.18, 12,869,897.17 and 2,190,184.48

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Solution

The fourth proportional to 8,579,934.18, 12,869,897.17 and 2,190,184.48 is: 3,285,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,934.18 : 12,869,897.17 = 2,190,184.48 : x
  2. Step 2: Convert to fraction form
    8,579,934.18/12,869,897.17 = 2,190,184.48/x
  3. Step 3: Cross multiply
    8,579,934.18x = 12,869,897.17 × 2,190,184.48
  4. Step 4: Simplify right side
    8,579,934.18x = 28,187,449,078,580.12
  5. Step 5: Solve for x
    x = 28,187,449,078,580.12/8,579,934.18
  6. Step 6: Final answer
    x = 3,285,275.68

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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.