Home / 12,116,355.98-16,720,619.01-6,609,848.54

Finding the Fourth Proportional to 12,116,355.98, 16,720,619.01 and 6,609,848.54

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Solution

The fourth proportional to 12,116,355.98, 16,720,619.01 and 6,609,848.54 is: 9,121,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,355.98 : 16,720,619.01 = 6,609,848.54 : x
  2. Step 2: Convert to fraction form
    12,116,355.98/16,720,619.01 = 6,609,848.54/x
  3. Step 3: Cross multiply
    12,116,355.98x = 16,720,619.01 × 6,609,848.54
  4. Step 4: Simplify right side
    12,116,355.98x = 110,520,759,151,144.75
  5. Step 5: Solve for x
    x = 110,520,759,151,144.75/12,116,355.98
  6. Step 6: Final answer
    x = 9,121,617.04

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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.