Home / 38,073,032.47-52,540,502.68-20,668,930.21

Finding the Fourth Proportional to 38,073,032.47, 52,540,502.68 and 20,668,930.21

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Solution

The fourth proportional to 38,073,032.47, 52,540,502.68 and 20,668,930.21 is: 28,522,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073,032.47 : 52,540,502.68 = 20,668,930.21 : x
  2. Step 2: Convert to fraction form
    38,073,032.47/52,540,502.68 = 20,668,930.21/x
  3. Step 3: Cross multiply
    38,073,032.47x = 52,540,502.68 × 20,668,930.21
  4. Step 4: Simplify right side
    38,073,032.47x = 1,085,955,983,137,390.88
  5. Step 5: Solve for x
    x = 1,085,955,983,137,390.88/38,073,032.47
  6. Step 6: Final answer
    x = 28,522,970.53

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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.