Home / 31,008,943.02-46,509,865.53-8,291,611.74

Finding the Fourth Proportional to 31,008,943.02, 46,509,865.53 and 8,291,611.74

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Solution

The fourth proportional to 31,008,943.02, 46,509,865.53 and 8,291,611.74 is: 12,436,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,943.02 : 46,509,865.53 = 8,291,611.74 : x
  2. Step 2: Convert to fraction form
    31,008,943.02/46,509,865.53 = 8,291,611.74/x
  3. Step 3: Cross multiply
    31,008,943.02x = 46,509,865.53 × 8,291,611.74
  4. Step 4: Simplify right side
    31,008,943.02x = 385,641,747,054,369.31
  5. Step 5: Solve for x
    x = 385,641,747,054,369.31/31,008,943.02
  6. Step 6: Final answer
    x = 12,436,468.63

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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.