Home / 8,172,530.78-12,242,852.93-4,969,713.02

Finding the Fourth Proportional to 8,172,530.78, 12,242,852.93 and 4,969,713.02

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Solution

The fourth proportional to 8,172,530.78, 12,242,852.93 and 4,969,713.02 is: 7,444,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,530.78 : 12,242,852.93 = 4,969,713.02 : x
  2. Step 2: Convert to fraction form
    8,172,530.78/12,242,852.93 = 4,969,713.02/x
  3. Step 3: Cross multiply
    8,172,530.78x = 12,242,852.93 × 4,969,713.02
  4. Step 4: Simplify right side
    8,172,530.78x = 60,843,465,559,376.16
  5. Step 5: Solve for x
    x = 60,843,465,559,376.16/8,172,530.78
  6. Step 6: Final answer
    x = 7,444,874.45

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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.