Home / 9,927,078.40-14,890,617.60-7,407,654.40

Finding the Fourth Proportional to 9,927,078.40, 14,890,617.60 and 7,407,654.40

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Solution

The fourth proportional to 9,927,078.40, 14,890,617.60 and 7,407,654.40 is: 11,111,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927,078.40 : 14,890,617.60 = 7,407,654.40 : x
  2. Step 2: Convert to fraction form
    9,927,078.40/14,890,617.60 = 7,407,654.40/x
  3. Step 3: Cross multiply
    9,927,078.40x = 14,890,617.60 × 7,407,654.40
  4. Step 4: Simplify right side
    9,927,078.40x = 110,304,548,983,357.44
  5. Step 5: Solve for x
    x = 110,304,548,983,357.44/9,927,078.40
  6. Step 6: Final answer
    x = 11,111,481.60

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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.