Home / 21,792,877.81-30,074,170.47-12,003,322.30

Finding the Fourth Proportional to 21,792,877.81, 30,074,170.47 and 12,003,322.30

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Solution

The fourth proportional to 21,792,877.81, 30,074,170.47 and 12,003,322.30 is: 16,564,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,877.81 : 30,074,170.47 = 12,003,322.30 : x
  2. Step 2: Convert to fraction form
    21,792,877.81/30,074,170.47 = 12,003,322.30/x
  3. Step 3: Cross multiply
    21,792,877.81x = 30,074,170.47 × 12,003,322.30
  4. Step 4: Simplify right side
    21,792,877.81x = 360,989,961,056,552.50
  5. Step 5: Solve for x
    x = 360,989,961,056,552.50/21,792,877.81
  6. Step 6: Final answer
    x = 16,564,584.27

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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.