Home / 12,076,560-16,665,652.80-6,643,935.36

Finding the Fourth Proportional to 12,076,560, 16,665,652.80 and 6,643,935.36

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Solution

The fourth proportional to 12,076,560, 16,665,652.80 and 6,643,935.36 is: 9,168,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,560 : 16,665,652.80 = 6,643,935.36 : x
  2. Step 2: Convert to fraction form
    12,076,560/16,665,652.80 = 6,643,935.36/x
  3. Step 3: Cross multiply
    12,076,560x = 16,665,652.80 × 6,643,935.36
  4. Step 4: Simplify right side
    12,076,560x = 110,725,519,935,403.02
  5. Step 5: Solve for x
    x = 110,725,519,935,403.02/12,076,560
  6. Step 6: Final answer
    x = 9,168,630.80

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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.