Home / 8,319,398.77-12,470,831.28-5,789,739.61

Finding the Fourth Proportional to 8,319,398.77, 12,470,831.28 and 5,789,739.61

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Solution

The fourth proportional to 8,319,398.77, 12,470,831.28 and 5,789,739.61 is: 8,678,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,398.77 : 12,470,831.28 = 5,789,739.61 : x
  2. Step 2: Convert to fraction form
    8,319,398.77/12,470,831.28 = 5,789,739.61/x
  3. Step 3: Cross multiply
    8,319,398.77x = 12,470,831.28 × 5,789,739.61
  4. Step 4: Simplify right side
    8,319,398.77x = 72,202,865,831,443
  5. Step 5: Solve for x
    x = 72,202,865,831,443/8,319,398.77
  6. Step 6: Final answer
    x = 8,678,856.23

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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.