Home / 18,570,338.48-27,856,787.56-7,776,771.76

Finding the Fourth Proportional to 18,570,338.48, 27,856,787.56 and 7,776,771.76

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Solution

The fourth proportional to 18,570,338.48, 27,856,787.56 and 7,776,771.76 is: 11,665,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570,338.48 : 27,856,787.56 = 7,776,771.76 : x
  2. Step 2: Convert to fraction form
    18,570,338.48/27,856,787.56 = 7,776,771.76/x
  3. Step 3: Cross multiply
    18,570,338.48x = 27,856,787.56 × 7,776,771.76
  4. Step 4: Simplify right side
    18,570,338.48x = 216,635,878,820,927.28
  5. Step 5: Solve for x
    x = 216,635,878,820,927.28/18,570,338.48
  6. Step 6: Final answer
    x = 11,665,693.60

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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.