Home / 38,851,336.80-53,615,015.91-21,447,824.76

Finding the Fourth Proportional to 38,851,336.80, 53,615,015.91 and 21,447,824.76

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Solution

The fourth proportional to 38,851,336.80, 53,615,015.91 and 21,447,824.76 is: 29,598,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,336.80 : 53,615,015.91 = 21,447,824.76 : x
  2. Step 2: Convert to fraction form
    38,851,336.80/53,615,015.91 = 21,447,824.76/x
  3. Step 3: Cross multiply
    38,851,336.80x = 53,615,015.91 × 21,447,824.76
  4. Step 4: Simplify right side
    38,851,336.80x = 1,149,925,465,742,292
  5. Step 5: Solve for x
    x = 1,149,925,465,742,292/38,851,336.80
  6. Step 6: Final answer
    x = 29,598,092.64

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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.