Home / 18,822,640.40-25,980,807.54-11,090,181.20

Finding the Fourth Proportional to 18,822,640.40, 25,980,807.54 and 11,090,181.20

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Solution

The fourth proportional to 18,822,640.40, 25,980,807.54 and 11,090,181.20 is: 15,307,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822,640.40 : 25,980,807.54 = 11,090,181.20 : x
  2. Step 2: Convert to fraction form
    18,822,640.40/25,980,807.54 = 11,090,181.20/x
  3. Step 3: Cross multiply
    18,822,640.40x = 25,980,807.54 × 11,090,181.20
  4. Step 4: Simplify right side
    18,822,640.40x = 288,131,863,340,926.19
  5. Step 5: Solve for x
    x = 288,131,863,340,926.19/18,822,640.40
  6. Step 6: Final answer
    x = 15,307,728.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.