Home / 7,238,493.40-9,992,998.92-5,581,020.40

Finding the Fourth Proportional to 7,238,493.40, 9,992,998.92 and 5,581,020.40

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Solution

The fourth proportional to 7,238,493.40, 9,992,998.92 and 5,581,020.40 is: 7,704,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,493.40 : 9,992,998.92 = 5,581,020.40 : x
  2. Step 2: Convert to fraction form
    7,238,493.40/9,992,998.92 = 5,581,020.40/x
  3. Step 3: Cross multiply
    7,238,493.40x = 9,992,998.92 × 5,581,020.40
  4. Step 4: Simplify right side
    7,238,493.40x = 55,771,130,829,697.97
  5. Step 5: Solve for x
    x = 55,771,130,829,697.97/7,238,493.40
  6. Step 6: Final answer
    x = 7,704,798.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.