Home / 20,517,261.60-30,775,892.40-19,572,477.60

Finding the Fourth Proportional to 20,517,261.60, 30,775,892.40 and 19,572,477.60

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Solution

The fourth proportional to 20,517,261.60, 30,775,892.40 and 19,572,477.60 is: 29,358,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,517,261.60 : 30,775,892.40 = 19,572,477.60 : x
  2. Step 2: Convert to fraction form
    20,517,261.60/30,775,892.40 = 19,572,477.60/x
  3. Step 3: Cross multiply
    20,517,261.60x = 30,775,892.40 × 19,572,477.60
  4. Step 4: Simplify right side
    20,517,261.60x = 602,360,464,619,010.25
  5. Step 5: Solve for x
    x = 602,360,464,619,010.25/20,517,261.60
  6. Step 6: Final answer
    x = 29,358,716.40

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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.