Home / 13,220,733.60-19,831,100.40-7,552,029.60

Finding the Fourth Proportional to 13,220,733.60, 19,831,100.40 and 7,552,029.60

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Solution

The fourth proportional to 13,220,733.60, 19,831,100.40 and 7,552,029.60 is: 11,328,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220,733.60 : 19,831,100.40 = 7,552,029.60 : x
  2. Step 2: Convert to fraction form
    13,220,733.60/19,831,100.40 = 7,552,029.60/x
  3. Step 3: Cross multiply
    13,220,733.60x = 19,831,100.40 × 7,552,029.60
  4. Step 4: Simplify right side
    13,220,733.60x = 149,765,057,221,371.81
  5. Step 5: Solve for x
    x = 149,765,057,221,371.81/13,220,733.60
  6. Step 6: Final answer
    x = 11,328,044.40

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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.