Home / 38,465,915.24-53,083,048.95-20,825,003.68

Finding the Fourth Proportional to 38,465,915.24, 53,083,048.95 and 20,825,003.68

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Solution

The fourth proportional to 38,465,915.24, 53,083,048.95 and 20,825,003.68 is: 28,738,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465,915.24 : 53,083,048.95 = 20,825,003.68 : x
  2. Step 2: Convert to fraction form
    38,465,915.24/53,083,048.95 = 20,825,003.68/x
  3. Step 3: Cross multiply
    38,465,915.24x = 53,083,048.95 × 20,825,003.68
  4. Step 4: Simplify right side
    38,465,915.24x = 1,105,454,689,596,662.50
  5. Step 5: Solve for x
    x = 1,105,454,689,596,662.50/38,465,915.24
  6. Step 6: Final answer
    x = 28,738,551.59

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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.