Home / 28,618,239.92-39,480,143.16-17,009,205.68

Finding the Fourth Proportional to 28,618,239.92, 39,480,143.16 and 17,009,205.68

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Solution

The fourth proportional to 28,618,239.92, 39,480,143.16 and 17,009,205.68 is: 23,464,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,239.92 : 39,480,143.16 = 17,009,205.68 : x
  2. Step 2: Convert to fraction form
    28,618,239.92/39,480,143.16 = 17,009,205.68/x
  3. Step 3: Cross multiply
    28,618,239.92x = 39,480,143.16 × 17,009,205.68
  4. Step 4: Simplify right side
    28,618,239.92x = 671,525,875,284,285.12
  5. Step 5: Solve for x
    x = 671,525,875,284,285.12/28,618,239.92
  6. Step 6: Final answer
    x = 23,464,960.71

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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.