Home / 19,008,085.70-28,512,128.55-6,229,007.30

Finding the Fourth Proportional to 19,008,085.70, 28,512,128.55 and 6,229,007.30

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Solution

The fourth proportional to 19,008,085.70, 28,512,128.55 and 6,229,007.30 is: 9,343,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,085.70 : 28,512,128.55 = 6,229,007.30 : x
  2. Step 2: Convert to fraction form
    19,008,085.70/28,512,128.55 = 6,229,007.30/x
  3. Step 3: Cross multiply
    19,008,085.70x = 28,512,128.55 × 6,229,007.30
  4. Step 4: Simplify right side
    19,008,085.70x = 177,602,256,876,488.41
  5. Step 5: Solve for x
    x = 177,602,256,876,488.41/19,008,085.70
  6. Step 6: Final answer
    x = 9,343,510.95

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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.