Home / 19,072,080.80-28,608,121.20-18,895,133.60

Finding the Fourth Proportional to 19,072,080.80, 28,608,121.20 and 18,895,133.60

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Solution

The fourth proportional to 19,072,080.80, 28,608,121.20 and 18,895,133.60 is: 28,342,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072,080.80 : 28,608,121.20 = 18,895,133.60 : x
  2. Step 2: Convert to fraction form
    19,072,080.80/28,608,121.20 = 18,895,133.60/x
  3. Step 3: Cross multiply
    19,072,080.80x = 28,608,121.20 × 18,895,133.60
  4. Step 4: Simplify right side
    19,072,080.80x = 540,554,272,118,992.38
  5. Step 5: Solve for x
    x = 540,554,272,118,992.38/19,072,080.80
  6. Step 6: Final answer
    x = 28,342,700.40

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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.