Home / 12,950,854.02-17,871,710.40-7,149,511.44

Finding the Fourth Proportional to 12,950,854.02, 17,871,710.40 and 7,149,511.44

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Solution

The fourth proportional to 12,950,854.02, 17,871,710.40 and 7,149,511.44 is: 9,866,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,854.02 : 17,871,710.40 = 7,149,511.44 : x
  2. Step 2: Convert to fraction form
    12,950,854.02/17,871,710.40 = 7,149,511.44/x
  3. Step 3: Cross multiply
    12,950,854.02x = 17,871,710.40 × 7,149,511.44
  4. Step 4: Simplify right side
    12,950,854.02x = 127,773,997,957,166.97
  5. Step 5: Solve for x
    x = 127,773,997,957,166.97/12,950,854.02
  6. Step 6: Final answer
    x = 9,866,067.35

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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.