Home / 19,793,079.80-29,689,619.70-13,069,086.20

Finding the Fourth Proportional to 19,793,079.80, 29,689,619.70 and 13,069,086.20

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Solution

The fourth proportional to 19,793,079.80, 29,689,619.70 and 13,069,086.20 is: 19,603,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793,079.80 : 29,689,619.70 = 13,069,086.20 : x
  2. Step 2: Convert to fraction form
    19,793,079.80/29,689,619.70 = 13,069,086.20/x
  3. Step 3: Cross multiply
    19,793,079.80x = 29,689,619.70 × 13,069,086.20
  4. Step 4: Simplify right side
    19,793,079.80x = 388,016,199,104,518.12
  5. Step 5: Solve for x
    x = 388,016,199,104,518.12/19,793,079.80
  6. Step 6: Final answer
    x = 19,603,629.30

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Double scale
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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.