Home / 19,029,421.73-28,544,132.60-4,652,318.84

Finding the Fourth Proportional to 19,029,421.73, 28,544,132.60 and 4,652,318.84

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Solution

The fourth proportional to 19,029,421.73, 28,544,132.60 and 4,652,318.84 is: 6,978,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029,421.73 : 28,544,132.60 = 4,652,318.84 : x
  2. Step 2: Convert to fraction form
    19,029,421.73/28,544,132.60 = 4,652,318.84/x
  3. Step 3: Cross multiply
    19,029,421.73x = 28,544,132.60 × 4,652,318.84
  4. Step 4: Simplify right side
    19,029,421.73x = 132,796,405,717,902.11
  5. Step 5: Solve for x
    x = 132,796,405,717,902.11/19,029,421.73
  6. Step 6: Final answer
    x = 6,978,478.25

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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.