Home / 20,914,818.48-28,865,873.61-17,424,622.44

Finding the Fourth Proportional to 20,914,818.48, 28,865,873.61 and 17,424,622.44

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Solution

The fourth proportional to 20,914,818.48, 28,865,873.61 and 17,424,622.44 is: 24,048,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,818.48 : 28,865,873.61 = 17,424,622.44 : x
  2. Step 2: Convert to fraction form
    20,914,818.48/28,865,873.61 = 17,424,622.44/x
  3. Step 3: Cross multiply
    20,914,818.48x = 28,865,873.61 × 17,424,622.44
  4. Step 4: Simplify right side
    20,914,818.48x = 502,976,949,055,009.81
  5. Step 5: Solve for x
    x = 502,976,949,055,009.81/20,914,818.48
  6. Step 6: Final answer
    x = 24,048,831.67

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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.