Home / 20,300,888.76-28,012,635-11,599,624.68

Finding the Fourth Proportional to 20,300,888.76, 28,012,635 and 11,599,624.68

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Solution

The fourth proportional to 20,300,888.76, 28,012,635 and 11,599,624.68 is: 16,006,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300,888.76 : 28,012,635 = 11,599,624.68 : x
  2. Step 2: Convert to fraction form
    20,300,888.76/28,012,635 = 11,599,624.68/x
  3. Step 3: Cross multiply
    20,300,888.76x = 28,012,635 × 11,599,624.68
  4. Step 4: Simplify right side
    20,300,888.76x = 324,936,052,297,831.81
  5. Step 5: Solve for x
    x = 324,936,052,297,831.81/20,300,888.76
  6. Step 6: Final answer
    x = 16,006,001.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.