Home / 8,210,585.40-12,297,215.70-4,216,831.80

Finding the Fourth Proportional to 8,210,585.40, 12,297,215.70 and 4,216,831.80

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Solution

The fourth proportional to 8,210,585.40, 12,297,215.70 and 4,216,831.80 is: 6,315,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,585.40 : 12,297,215.70 = 4,216,831.80 : x
  2. Step 2: Convert to fraction form
    8,210,585.40/12,297,215.70 = 4,216,831.80/x
  3. Step 3: Cross multiply
    8,210,585.40x = 12,297,215.70 × 4,216,831.80
  4. Step 4: Simplify right side
    8,210,585.40x = 51,855,290,215,219.26
  5. Step 5: Solve for x
    x = 51,855,290,215,219.26/8,210,585.40
  6. Step 6: Final answer
    x = 6,315,662.98

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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.