Home / 7,873,219.60-11,809,829.40-6,877,891.60

Finding the Fourth Proportional to 7,873,219.60, 11,809,829.40 and 6,877,891.60

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Solution

The fourth proportional to 7,873,219.60, 11,809,829.40 and 6,877,891.60 is: 10,316,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,219.60 : 11,809,829.40 = 6,877,891.60 : x
  2. Step 2: Convert to fraction form
    7,873,219.60/11,809,829.40 = 6,877,891.60/x
  3. Step 3: Cross multiply
    7,873,219.60x = 11,809,829.40 × 6,877,891.60
  4. Step 4: Simplify right side
    7,873,219.60x = 81,226,726,427,693.03
  5. Step 5: Solve for x
    x = 81,226,726,427,693.03/7,873,219.60
  6. Step 6: Final answer
    x = 10,316,837.40

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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.