Home / 7,422,139.29-11,133,502.95-3,530,661.69

Finding the Fourth Proportional to 7,422,139.29, 11,133,502.95 and 3,530,661.69

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Solution

The fourth proportional to 7,422,139.29, 11,133,502.95 and 3,530,661.69 is: 5,296,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,139.29 : 11,133,502.95 = 3,530,661.69 : x
  2. Step 2: Convert to fraction form
    7,422,139.29/11,133,502.95 = 3,530,661.69/x
  3. Step 3: Cross multiply
    7,422,139.29x = 11,133,502.95 × 3,530,661.69
  4. Step 4: Simplify right side
    7,422,139.29x = 39,308,632,341,066.98
  5. Step 5: Solve for x
    x = 39,308,632,341,066.98/7,422,139.29
  6. Step 6: Final answer
    x = 5,296,132.40

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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.