Home / 12,020,577.48-16,587,561.78-7,125,546.60

Finding the Fourth Proportional to 12,020,577.48, 16,587,561.78 and 7,125,546.60

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Solution

The fourth proportional to 12,020,577.48, 16,587,561.78 and 7,125,546.60 is: 9,832,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,577.48 : 16,587,561.78 = 7,125,546.60 : x
  2. Step 2: Convert to fraction form
    12,020,577.48/16,587,561.78 = 7,125,546.60/x
  3. Step 3: Cross multiply
    12,020,577.48x = 16,587,561.78 × 7,125,546.60
  4. Step 4: Simplify right side
    12,020,577.48x = 118,195,444,443,768.94
  5. Step 5: Solve for x
    x = 118,195,444,443,768.94/12,020,577.48
  6. Step 6: Final answer
    x = 9,832,759.25

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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.