Home / 10,651,058.40-15,976,587.60-8,950,447.20

Finding the Fourth Proportional to 10,651,058.40, 15,976,587.60 and 8,950,447.20

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Solution

The fourth proportional to 10,651,058.40, 15,976,587.60 and 8,950,447.20 is: 13,425,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,058.40 : 15,976,587.60 = 8,950,447.20 : x
  2. Step 2: Convert to fraction form
    10,651,058.40/15,976,587.60 = 8,950,447.20/x
  3. Step 3: Cross multiply
    10,651,058.40x = 15,976,587.60 × 8,950,447.20
  4. Step 4: Simplify right side
    10,651,058.40x = 142,997,603,749,974.72
  5. Step 5: Solve for x
    x = 142,997,603,749,974.72/10,651,058.40
  6. Step 6: Final answer
    x = 13,425,670.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.