Home / 12,950,762.25-17,871,582.49-7,149,419.13

Finding the Fourth Proportional to 12,950,762.25, 17,871,582.49 and 7,149,419.13

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Solution

The fourth proportional to 12,950,762.25, 17,871,582.49 and 7,149,419.13 is: 9,865,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,762.25 : 17,871,582.49 = 7,149,419.13 : x
  2. Step 2: Convert to fraction form
    12,950,762.25/17,871,582.49 = 7,149,419.13/x
  3. Step 3: Cross multiply
    12,950,762.25x = 17,871,582.49 × 7,149,419.13
  4. Step 4: Simplify right side
    12,950,762.25x = 127,771,433,701,631.94
  5. Step 5: Solve for x
    x = 127,771,433,701,631.94/12,950,762.25
  6. Step 6: Final answer
    x = 9,865,939.26

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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.