Home / 21,602,284.80-32,403,427.20-19,959,993.60

Finding the Fourth Proportional to 21,602,284.80, 32,403,427.20 and 19,959,993.60

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Solution

The fourth proportional to 21,602,284.80, 32,403,427.20 and 19,959,993.60 is: 29,939,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602,284.80 : 32,403,427.20 = 19,959,993.60 : x
  2. Step 2: Convert to fraction form
    21,602,284.80/32,403,427.20 = 19,959,993.60/x
  3. Step 3: Cross multiply
    21,602,284.80x = 32,403,427.20 × 19,959,993.60
  4. Step 4: Simplify right side
    21,602,284.80x = 646,772,199,530,066
  5. Step 5: Solve for x
    x = 646,772,199,530,066/21,602,284.80
  6. Step 6: Final answer
    x = 29,939,990.40

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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.