Home / 7,828,268.80-11,742,403.20-3,340,998.40

Finding the Fourth Proportional to 7,828,268.80, 11,742,403.20 and 3,340,998.40

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Solution

The fourth proportional to 7,828,268.80, 11,742,403.20 and 3,340,998.40 is: 5,011,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,268.80 : 11,742,403.20 = 3,340,998.40 : x
  2. Step 2: Convert to fraction form
    7,828,268.80/11,742,403.20 = 3,340,998.40/x
  3. Step 3: Cross multiply
    7,828,268.80x = 11,742,403.20 × 3,340,998.40
  4. Step 4: Simplify right side
    7,828,268.80x = 39,231,350,303,354.88
  5. Step 5: Solve for x
    x = 39,231,350,303,354.88/7,828,268.80
  6. Step 6: Final answer
    x = 5,011,497.60

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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.