Home / 11,880,515.84-16,395,127.92-6,448,007.84

Finding the Fourth Proportional to 11,880,515.84, 16,395,127.92 and 6,448,007.84

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Solution

The fourth proportional to 11,880,515.84, 16,395,127.92 and 6,448,007.84 is: 8,898,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,515.84 : 16,395,127.92 = 6,448,007.84 : x
  2. Step 2: Convert to fraction form
    11,880,515.84/16,395,127.92 = 6,448,007.84/x
  3. Step 3: Cross multiply
    11,880,515.84x = 16,395,127.92 × 6,448,007.84
  4. Step 4: Simplify right side
    11,880,515.84x = 105,715,913,365,962.89
  5. Step 5: Solve for x
    x = 105,715,913,365,962.89/11,880,515.84
  6. Step 6: Final answer
    x = 8,898,259.54

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1.5x scale

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.