Home / 13,285,740.30-19,928,610.45-4,310,292.30

Finding the Fourth Proportional to 13,285,740.30, 19,928,610.45 and 4,310,292.30

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Solution

The fourth proportional to 13,285,740.30, 19,928,610.45 and 4,310,292.30 is: 6,465,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,740.30 : 19,928,610.45 = 4,310,292.30 : x
  2. Step 2: Convert to fraction form
    13,285,740.30/19,928,610.45 = 4,310,292.30/x
  3. Step 3: Cross multiply
    13,285,740.30x = 19,928,610.45 × 4,310,292.30
  4. Step 4: Simplify right side
    13,285,740.30x = 85,898,136,172,334.53
  5. Step 5: Solve for x
    x = 85,898,136,172,334.53/13,285,740.30
  6. Step 6: Final answer
    x = 6,465,438.45

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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.