Home / 40,284,228.41-60,438,133.98-12,989,972.24

Finding the Fourth Proportional to 40,284,228.41, 60,438,133.98 and 12,989,972.24

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Solution

The fourth proportional to 40,284,228.41, 60,438,133.98 and 12,989,972.24 is: 19,488,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284,228.41 : 60,438,133.98 = 12,989,972.24 : x
  2. Step 2: Convert to fraction form
    40,284,228.41/60,438,133.98 = 12,989,972.24/x
  3. Step 3: Cross multiply
    40,284,228.41x = 60,438,133.98 × 12,989,972.24
  4. Step 4: Simplify right side
    40,284,228.41x = 785,089,682,637,600.62
  5. Step 5: Solve for x
    x = 785,089,682,637,600.62/40,284,228.41
  6. Step 6: Final answer
    x = 19,488,760.58

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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.