Home / 19,684,057.60-29,526,086.40-18,928,230.40

Finding the Fourth Proportional to 19,684,057.60, 29,526,086.40 and 18,928,230.40

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Solution

The fourth proportional to 19,684,057.60, 29,526,086.40 and 18,928,230.40 is: 28,392,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684,057.60 : 29,526,086.40 = 18,928,230.40 : x
  2. Step 2: Convert to fraction form
    19,684,057.60/29,526,086.40 = 18,928,230.40/x
  3. Step 3: Cross multiply
    19,684,057.60x = 29,526,086.40 × 18,928,230.40
  4. Step 4: Simplify right side
    19,684,057.60x = 558,876,566,189,506.50
  5. Step 5: Solve for x
    x = 558,876,566,189,506.50/19,684,057.60
  6. Step 6: Final answer
    x = 28,392,345.60

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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.