Home / 12,828,570-17,703,431.36-7,027,560.80

Finding the Fourth Proportional to 12,828,570, 17,703,431.36 and 7,027,560.80

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Solution

The fourth proportional to 12,828,570, 17,703,431.36 and 7,027,560.80 is: 9,698,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,570 : 17,703,431.36 = 7,027,560.80 : x
  2. Step 2: Convert to fraction form
    12,828,570/17,703,431.36 = 7,027,560.80/x
  3. Step 3: Cross multiply
    12,828,570x = 17,703,431.36 × 7,027,560.80
  4. Step 4: Simplify right side
    12,828,570x = 124,411,940,251,026.69
  5. Step 5: Solve for x
    x = 124,411,940,251,026.69/12,828,570
  6. Step 6: Final answer
    x = 9,698,036.51

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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.