Home / 11,938,822.29-16,475,417.16-6,640,481.50

Finding the Fourth Proportional to 11,938,822.29, 16,475,417.16 and 6,640,481.50

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Solution

The fourth proportional to 11,938,822.29, 16,475,417.16 and 6,640,481.50 is: 9,163,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938,822.29 : 16,475,417.16 = 6,640,481.50 : x
  2. Step 2: Convert to fraction form
    11,938,822.29/16,475,417.16 = 6,640,481.50/x
  3. Step 3: Cross multiply
    11,938,822.29x = 16,475,417.16 × 6,640,481.50
  4. Step 4: Simplify right side
    11,938,822.29x = 109,404,702,919,699.12
  5. Step 5: Solve for x
    x = 109,404,702,919,699.12/11,938,822.29
  6. Step 6: Final answer
    x = 9,163,776.81

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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.