Home / 19,366,287.20-29,049,430.80-11,808,015.20

Finding the Fourth Proportional to 19,366,287.20, 29,049,430.80 and 11,808,015.20

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Solution

The fourth proportional to 19,366,287.20, 29,049,430.80 and 11,808,015.20 is: 17,712,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366,287.20 : 29,049,430.80 = 11,808,015.20 : x
  2. Step 2: Convert to fraction form
    19,366,287.20/29,049,430.80 = 11,808,015.20/x
  3. Step 3: Cross multiply
    19,366,287.20x = 29,049,430.80 × 11,808,015.20
  4. Step 4: Simplify right side
    19,366,287.20x = 343,016,120,437,748.12
  5. Step 5: Solve for x
    x = 343,016,120,437,748.12/19,366,287.20
  6. Step 6: Final answer
    x = 17,712,022.80

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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.