Home / 13,260,442.80-19,872,001.80-9,821,895.60

Finding the Fourth Proportional to 13,260,442.80, 19,872,001.80 and 9,821,895.60

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Solution

The fourth proportional to 13,260,442.80, 19,872,001.80 and 9,821,895.60 is: 14,719,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,442.80 : 19,872,001.80 = 9,821,895.60 : x
  2. Step 2: Convert to fraction form
    13,260,442.80/19,872,001.80 = 9,821,895.60/x
  3. Step 3: Cross multiply
    13,260,442.80x = 19,872,001.80 × 9,821,895.60
  4. Step 4: Simplify right side
    13,260,442.80x = 195,180,727,042,612.09
  5. Step 5: Solve for x
    x = 195,180,727,042,612.09/13,260,442.80
  6. Step 6: Final answer
    x = 14,719,020.32

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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.