Home / 20,110,909.70-30,166,364.55-7,331,831.30

Finding the Fourth Proportional to 20,110,909.70, 30,166,364.55 and 7,331,831.30

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Solution

The fourth proportional to 20,110,909.70, 30,166,364.55 and 7,331,831.30 is: 10,997,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,909.70 : 30,166,364.55 = 7,331,831.30 : x
  2. Step 2: Convert to fraction form
    20,110,909.70/30,166,364.55 = 7,331,831.30/x
  3. Step 3: Cross multiply
    20,110,909.70x = 30,166,364.55 × 7,331,831.30
  4. Step 4: Simplify right side
    20,110,909.70x = 221,174,695,814,900.41
  5. Step 5: Solve for x
    x = 221,174,695,814,900.41/20,110,909.70
  6. Step 6: Final answer
    x = 10,997,746.95

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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.