Home / 9,986,661.60-14,979,992.40-7,996,005.60

Finding the Fourth Proportional to 9,986,661.60, 14,979,992.40 and 7,996,005.60

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Solution

The fourth proportional to 9,986,661.60, 14,979,992.40 and 7,996,005.60 is: 11,994,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,661.60 : 14,979,992.40 = 7,996,005.60 : x
  2. Step 2: Convert to fraction form
    9,986,661.60/14,979,992.40 = 7,996,005.60/x
  3. Step 3: Cross multiply
    9,986,661.60x = 14,979,992.40 × 7,996,005.60
  4. Step 4: Simplify right side
    9,986,661.60x = 119,780,103,118,357.44
  5. Step 5: Solve for x
    x = 119,780,103,118,357.44/9,986,661.60
  6. Step 6: Final answer
    x = 11,994,008.40

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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.