Home / 8,781,137.79-13,162,098.06-4,521,561.63

Finding the Fourth Proportional to 8,781,137.79, 13,162,098.06 and 4,521,561.63

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Solution

The fourth proportional to 8,781,137.79, 13,162,098.06 and 4,521,561.63 is: 6,777,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,137.79 : 13,162,098.06 = 4,521,561.63 : x
  2. Step 2: Convert to fraction form
    8,781,137.79/13,162,098.06 = 4,521,561.63/x
  3. Step 3: Cross multiply
    8,781,137.79x = 13,162,098.06 × 4,521,561.63
  4. Step 4: Simplify right side
    8,781,137.79x = 59,513,237,558,393.44
  5. Step 5: Solve for x
    x = 59,513,237,558,393.44/8,781,137.79
  6. Step 6: Final answer
    x = 6,777,394.80

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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.