Home / 12,950,716.48-17,872,133.52-7,149,501.28

Finding the Fourth Proportional to 12,950,716.48, 17,872,133.52 and 7,149,501.28

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Solution

The fourth proportional to 12,950,716.48, 17,872,133.52 and 7,149,501.28 is: 9,866,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,716.48 : 17,872,133.52 = 7,149,501.28 : x
  2. Step 2: Convert to fraction form
    12,950,716.48/17,872,133.52 = 7,149,501.28/x
  3. Step 3: Cross multiply
    12,950,716.48x = 17,872,133.52 × 7,149,501.28
  4. Step 4: Simplify right side
    12,950,716.48x = 127,776,841,477,570.91
  5. Step 5: Solve for x
    x = 127,776,841,477,570.91/12,950,716.48
  6. Step 6: Final answer
    x = 9,866,391.69

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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.