Home / 20,554,895.84-30,829,943.72-8,258,361.39

Finding the Fourth Proportional to 20,554,895.84, 30,829,943.72 and 8,258,361.39

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Solution

The fourth proportional to 20,554,895.84, 30,829,943.72 and 8,258,361.39 is: 12,386,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,895.84 : 30,829,943.72 = 8,258,361.39 : x
  2. Step 2: Convert to fraction form
    20,554,895.84/30,829,943.72 = 8,258,361.39/x
  3. Step 3: Cross multiply
    20,554,895.84x = 30,829,943.72 × 8,258,361.39
  4. Step 4: Simplify right side
    20,554,895.84x = 254,604,816,831,829.16
  5. Step 5: Solve for x
    x = 254,604,816,831,829.16/20,554,895.84
  6. Step 6: Final answer
    x = 12,386,577.82

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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.