Home / 10,857,669.76-14,989,401.44-8,371,460.35

Finding the Fourth Proportional to 10,857,669.76, 14,989,401.44 and 8,371,460.35

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Solution

The fourth proportional to 10,857,669.76, 14,989,401.44 and 8,371,460.35 is: 11,557,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857,669.76 : 14,989,401.44 = 8,371,460.35 : x
  2. Step 2: Convert to fraction form
    10,857,669.76/14,989,401.44 = 8,371,460.35/x
  3. Step 3: Cross multiply
    10,857,669.76x = 14,989,401.44 × 8,371,460.35
  4. Step 4: Simplify right side
    10,857,669.76x = 125,483,179,783,335.59
  5. Step 5: Solve for x
    x = 125,483,179,783,335.59/10,857,669.76
  6. Step 6: Final answer
    x = 11,557,100.42

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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.