Home / 8,213,516.10-12,319,332.54-2,148,833.22

Finding the Fourth Proportional to 8,213,516.10, 12,319,332.54 and 2,148,833.22

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Solution

The fourth proportional to 8,213,516.10, 12,319,332.54 and 2,148,833.22 is: 3,223,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,516.10 : 12,319,332.54 = 2,148,833.22 : x
  2. Step 2: Convert to fraction form
    8,213,516.10/12,319,332.54 = 2,148,833.22/x
  3. Step 3: Cross multiply
    8,213,516.10x = 12,319,332.54 × 2,148,833.22
  4. Step 4: Simplify right side
    8,213,516.10x = 26,472,191,010,178.98
  5. Step 5: Solve for x
    x = 26,472,191,010,178.98/8,213,516.10
  6. Step 6: Final answer
    x = 3,223,003.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.