Home / 13,158,488.89-18,153,154.29-8,808,976.45

Finding the Fourth Proportional to 13,158,488.89, 18,153,154.29 and 8,808,976.45

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Solution

The fourth proportional to 13,158,488.89, 18,153,154.29 and 8,808,976.45 is: 12,152,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,488.89 : 18,153,154.29 = 8,808,976.45 : x
  2. Step 2: Convert to fraction form
    13,158,488.89/18,153,154.29 = 8,808,976.45/x
  3. Step 3: Cross multiply
    13,158,488.89x = 18,153,154.29 × 8,808,976.45
  4. Step 4: Simplify right side
    13,158,488.89x = 159,910,708,633,826.44
  5. Step 5: Solve for x
    x = 159,910,708,633,826.44/13,158,488.89
  6. Step 6: Final answer
    x = 12,152,665.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.