Home / 19,774,139.60-29,661,209.40-19,438,216.40

Finding the Fourth Proportional to 19,774,139.60, 29,661,209.40 and 19,438,216.40

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Solution

The fourth proportional to 19,774,139.60, 29,661,209.40 and 19,438,216.40 is: 29,157,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774,139.60 : 29,661,209.40 = 19,438,216.40 : x
  2. Step 2: Convert to fraction form
    19,774,139.60/29,661,209.40 = 19,438,216.40/x
  3. Step 3: Cross multiply
    19,774,139.60x = 29,661,209.40 × 19,438,216.40
  4. Step 4: Simplify right side
    19,774,139.60x = 576,561,007,002,914.12
  5. Step 5: Solve for x
    x = 576,561,007,002,914.12/19,774,139.60
  6. Step 6: Final answer
    x = 29,157,324.60

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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.