Home / 21,792,611.25-30,073,803.53-12,630,568.41

Finding the Fourth Proportional to 21,792,611.25, 30,073,803.53 and 12,630,568.41

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Solution

The fourth proportional to 21,792,611.25, 30,073,803.53 and 12,630,568.41 is: 17,430,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,611.25 : 30,073,803.53 = 12,630,568.41 : x
  2. Step 2: Convert to fraction form
    21,792,611.25/30,073,803.53 = 12,630,568.41/x
  3. Step 3: Cross multiply
    21,792,611.25x = 30,073,803.53 × 12,630,568.41
  4. Step 4: Simplify right side
    21,792,611.25x = 379,849,232,771,411.62
  5. Step 5: Solve for x
    x = 379,849,232,771,411.62/21,792,611.25
  6. Step 6: Final answer
    x = 17,430,184.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.