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Finding the Fourth Proportional to 8,441,728.53, 12,662,597.70 and 5,928,603.09

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Solution

The fourth proportional to 8,441,728.53, 12,662,597.70 and 5,928,603.09 is: 8,892,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441,728.53 : 12,662,597.70 = 5,928,603.09 : x
  2. Step 2: Convert to fraction form
    8,441,728.53/12,662,597.70 = 5,928,603.09/x
  3. Step 3: Cross multiply
    8,441,728.53x = 12,662,597.70 × 5,928,603.09
  4. Step 4: Simplify right side
    8,441,728.53x = 75,071,515,851,646.89
  5. Step 5: Solve for x
    x = 75,071,515,851,646.89/8,441,728.53
  6. Step 6: Final answer
    x = 8,892,908.08

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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.