Home / 18,872,615.96-28,308,876.34-5,225,716.83

Finding the Fourth Proportional to 18,872,615.96, 28,308,876.34 and 5,225,716.83

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Solution

The fourth proportional to 18,872,615.96, 28,308,876.34 and 5,225,716.83 is: 7,838,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872,615.96 : 28,308,876.34 = 5,225,716.83 : x
  2. Step 2: Convert to fraction form
    18,872,615.96/28,308,876.34 = 5,225,716.83/x
  3. Step 3: Cross multiply
    18,872,615.96x = 28,308,876.34 × 5,225,716.83
  4. Step 4: Simplify right side
    18,872,615.96x = 147,934,171,528,326.81
  5. Step 5: Solve for x
    x = 147,934,171,528,326.81/18,872,615.96
  6. Step 6: Final answer
    x = 7,838,562.06

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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.