Home / 12,303,671.28-16,979,552.01-7,076,671.08

Finding the Fourth Proportional to 12,303,671.28, 16,979,552.01 and 7,076,671.08

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Solution

The fourth proportional to 12,303,671.28, 16,979,552.01 and 7,076,671.08 is: 9,766,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,671.28 : 16,979,552.01 = 7,076,671.08 : x
  2. Step 2: Convert to fraction form
    12,303,671.28/16,979,552.01 = 7,076,671.08/x
  3. Step 3: Cross multiply
    12,303,671.28x = 16,979,552.01 × 7,076,671.08
  4. Step 4: Simplify right side
    12,303,671.28x = 120,158,704,660,522.89
  5. Step 5: Solve for x
    x = 120,158,704,660,522.89/12,303,671.28
  6. Step 6: Final answer
    x = 9,766,085.42

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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.