Home / 13,213,145.76-19,821,688.56-4,692,766.56

Finding the Fourth Proportional to 13,213,145.76, 19,821,688.56 and 4,692,766.56

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Solution

The fourth proportional to 13,213,145.76, 19,821,688.56 and 4,692,766.56 is: 7,039,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,145.76 : 19,821,688.56 = 4,692,766.56 : x
  2. Step 2: Convert to fraction form
    13,213,145.76/19,821,688.56 = 4,692,766.56/x
  3. Step 3: Cross multiply
    13,213,145.76x = 19,821,688.56 × 4,692,766.56
  4. Step 4: Simplify right side
    13,213,145.76x = 93,018,557,237,102.55
  5. Step 5: Solve for x
    x = 93,018,557,237,102.55/13,213,145.76
  6. Step 6: Final answer
    x = 7,039,849.47

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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.