Home / 8,213,518.10-12,319,335.54-2,148,835.22

Finding the Fourth Proportional to 8,213,518.10, 12,319,335.54 and 2,148,835.22

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Solution

The fourth proportional to 8,213,518.10, 12,319,335.54 and 2,148,835.22 is: 3,223,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,518.10 : 12,319,335.54 = 2,148,835.22 : x
  2. Step 2: Convert to fraction form
    8,213,518.10/12,319,335.54 = 2,148,835.22/x
  3. Step 3: Cross multiply
    8,213,518.10x = 12,319,335.54 × 2,148,835.22
  4. Step 4: Simplify right side
    8,213,518.10x = 26,472,222,095,349.72
  5. Step 5: Solve for x
    x = 26,472,222,095,349.72/8,213,518.10
  6. Step 6: Final answer
    x = 3,223,006.48

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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.