Home / 7,513,688.57-11,271,000.39-2,721,419.36

Finding the Fourth Proportional to 7,513,688.57, 11,271,000.39 and 2,721,419.36

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Solution

The fourth proportional to 7,513,688.57, 11,271,000.39 and 2,721,419.36 is: 4,082,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513,688.57 : 11,271,000.39 = 2,721,419.36 : x
  2. Step 2: Convert to fraction form
    7,513,688.57/11,271,000.39 = 2,721,419.36/x
  3. Step 3: Cross multiply
    7,513,688.57x = 11,271,000.39 × 2,721,419.36
  4. Step 4: Simplify right side
    7,513,688.57x = 30,673,118,639,251.86
  5. Step 5: Solve for x
    x = 30,673,118,639,251.86/7,513,688.57
  6. Step 6: Final answer
    x = 4,082,298.37

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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.