Home / 18,709,824.96-28,065,728.07-5,931,326.52

Finding the Fourth Proportional to 18,709,824.96, 28,065,728.07 and 5,931,326.52

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Solution

The fourth proportional to 18,709,824.96, 28,065,728.07 and 5,931,326.52 is: 8,897,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,824.96 : 28,065,728.07 = 5,931,326.52 : x
  2. Step 2: Convert to fraction form
    18,709,824.96/28,065,728.07 = 5,931,326.52/x
  3. Step 3: Cross multiply
    18,709,824.96x = 28,065,728.07 × 5,931,326.52
  4. Step 4: Simplify right side
    18,709,824.96x = 166,466,997,204,699.41
  5. Step 5: Solve for x
    x = 166,466,997,204,699.41/18,709,824.96
  6. Step 6: Final answer
    x = 8,897,303.83

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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.