Home / 7,812,287.79-11,718,344.19-2,762,417.31

Finding the Fourth Proportional to 7,812,287.79, 11,718,344.19 and 2,762,417.31

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Solution

The fourth proportional to 7,812,287.79, 11,718,344.19 and 2,762,417.31 is: 4,143,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,287.79 : 11,718,344.19 = 2,762,417.31 : x
  2. Step 2: Convert to fraction form
    7,812,287.79/11,718,344.19 = 2,762,417.31/x
  3. Step 3: Cross multiply
    7,812,287.79x = 11,718,344.19 × 2,762,417.31
  4. Step 4: Simplify right side
    7,812,287.79x = 32,370,956,834,993.93
  5. Step 5: Solve for x
    x = 32,370,956,834,993.93/7,812,287.79
  6. Step 6: Final answer
    x = 4,143,595.03

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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.