Home / 8,319,397.27-12,470,829.04-5,789,738.11

Finding the Fourth Proportional to 8,319,397.27, 12,470,829.04 and 5,789,738.11

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Solution

The fourth proportional to 8,319,397.27, 12,470,829.04 and 5,789,738.11 is: 8,678,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,397.27 : 12,470,829.04 = 5,789,738.11 : x
  2. Step 2: Convert to fraction form
    8,319,397.27/12,470,829.04 = 5,789,738.11/x
  3. Step 3: Cross multiply
    8,319,397.27x = 12,470,829.04 × 5,789,738.11
  4. Step 4: Simplify right side
    8,319,397.27x = 72,202,834,064,879.89
  5. Step 5: Solve for x
    x = 72,202,834,064,879.89/8,319,397.27
  6. Step 6: Final answer
    x = 8,678,853.98

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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.