Home / 21,556,933.60-32,335,400.40-19,431,169.60

Finding the Fourth Proportional to 21,556,933.60, 32,335,400.40 and 19,431,169.60

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Solution

The fourth proportional to 21,556,933.60, 32,335,400.40 and 19,431,169.60 is: 29,146,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,933.60 : 32,335,400.40 = 19,431,169.60 : x
  2. Step 2: Convert to fraction form
    21,556,933.60/32,335,400.40 = 19,431,169.60/x
  3. Step 3: Cross multiply
    21,556,933.60x = 32,335,400.40 × 19,431,169.60
  4. Step 4: Simplify right side
    21,556,933.60x = 628,314,649,256,307.88
  5. Step 5: Solve for x
    x = 628,314,649,256,307.88/21,556,933.60
  6. Step 6: Final answer
    x = 29,146,754.40

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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.