Home / 7,928,713.20-11,891,903.40-2,249,511.60

Finding the Fourth Proportional to 7,928,713.20, 11,891,903.40 and 2,249,511.60

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Solution

The fourth proportional to 7,928,713.20, 11,891,903.40 and 2,249,511.60 is: 3,373,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,713.20 : 11,891,903.40 = 2,249,511.60 : x
  2. Step 2: Convert to fraction form
    7,928,713.20/11,891,903.40 = 2,249,511.60/x
  3. Step 3: Cross multiply
    7,928,713.20x = 11,891,903.40 × 2,249,511.60
  4. Step 4: Simplify right side
    7,928,713.20x = 26,750,974,644,379.44
  5. Step 5: Solve for x
    x = 26,750,974,644,379.44/7,928,713.20
  6. Step 6: Final answer
    x = 3,373,936.47

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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.