Home / 13,284,046.20-19,926,069.30-12,087,319.80

Finding the Fourth Proportional to 13,284,046.20, 19,926,069.30 and 12,087,319.80

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Solution

The fourth proportional to 13,284,046.20, 19,926,069.30 and 12,087,319.80 is: 18,130,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,046.20 : 19,926,069.30 = 12,087,319.80 : x
  2. Step 2: Convert to fraction form
    13,284,046.20/19,926,069.30 = 12,087,319.80/x
  3. Step 3: Cross multiply
    13,284,046.20x = 19,926,069.30 × 12,087,319.80
  4. Step 4: Simplify right side
    13,284,046.20x = 240,852,771,986,062.16
  5. Step 5: Solve for x
    x = 240,852,771,986,062.16/13,284,046.20
  6. Step 6: Final answer
    x = 18,130,979.70

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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.