Home / 7,873,426.40-11,810,139.60-1,889,794.40

Finding the Fourth Proportional to 7,873,426.40, 11,810,139.60 and 1,889,794.40

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Solution

The fourth proportional to 7,873,426.40, 11,810,139.60 and 1,889,794.40 is: 2,834,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,426.40 : 11,810,139.60 = 1,889,794.40 : x
  2. Step 2: Convert to fraction form
    7,873,426.40/11,810,139.60 = 1,889,794.40/x
  3. Step 3: Cross multiply
    7,873,426.40x = 11,810,139.60 × 1,889,794.40
  4. Step 4: Simplify right side
    7,873,426.40x = 22,318,735,679,298.24
  5. Step 5: Solve for x
    x = 22,318,735,679,298.24/7,873,426.40
  6. Step 6: Final answer
    x = 2,834,691.60

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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.