Home / 18,764,031.36-28,148,146.56-5,981,570.40

Finding the Fourth Proportional to 18,764,031.36, 28,148,146.56 and 5,981,570.40

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Solution

The fourth proportional to 18,764,031.36, 28,148,146.56 and 5,981,570.40 is: 8,973,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764,031.36 : 28,148,146.56 = 5,981,570.40 : x
  2. Step 2: Convert to fraction form
    18,764,031.36/28,148,146.56 = 5,981,570.40/x
  3. Step 3: Cross multiply
    18,764,031.36x = 28,148,146.56 × 5,981,570.40
  4. Step 4: Simplify right side
    18,764,031.36x = 168,370,120,278,157.81
  5. Step 5: Solve for x
    x = 168,370,120,278,157.81/18,764,031.36
  6. Step 6: Final answer
    x = 8,973,024.88

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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.