Home / 21,792,878.10-30,074,170.86-12,003,322.57

Finding the Fourth Proportional to 21,792,878.10, 30,074,170.86 and 12,003,322.57

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Solution

The fourth proportional to 21,792,878.10, 30,074,170.86 and 12,003,322.57 is: 16,564,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,878.10 : 30,074,170.86 = 12,003,322.57 : x
  2. Step 2: Convert to fraction form
    21,792,878.10/30,074,170.86 = 12,003,322.57/x
  3. Step 3: Cross multiply
    21,792,878.10x = 30,074,170.86 × 12,003,322.57
  4. Step 4: Simplify right side
    21,792,878.10x = 360,989,973,782,688.88
  5. Step 5: Solve for x
    x = 360,989,973,782,688.88/21,792,878.10
  6. Step 6: Final answer
    x = 16,564,584.64

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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.