Home / 18,383,407.60-27,575,111.40-15,549,055.60

Finding the Fourth Proportional to 18,383,407.60, 27,575,111.40 and 15,549,055.60

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Solution

The fourth proportional to 18,383,407.60, 27,575,111.40 and 15,549,055.60 is: 23,323,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383,407.60 : 27,575,111.40 = 15,549,055.60 : x
  2. Step 2: Convert to fraction form
    18,383,407.60/27,575,111.40 = 15,549,055.60/x
  3. Step 3: Cross multiply
    18,383,407.60x = 27,575,111.40 × 15,549,055.60
  4. Step 4: Simplify right side
    18,383,407.60x = 428,766,940,334,793.81
  5. Step 5: Solve for x
    x = 428,766,940,334,793.81/18,383,407.60
  6. Step 6: Final answer
    x = 23,323,583.40

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Similar ratio
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1.5x scale

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.