Home / 12,582,783.86-17,364,076.65-7,076,156.90

Finding the Fourth Proportional to 12,582,783.86, 17,364,076.65 and 7,076,156.90

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Solution

The fourth proportional to 12,582,783.86, 17,364,076.65 and 7,076,156.90 is: 9,765,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,783.86 : 17,364,076.65 = 7,076,156.90 : x
  2. Step 2: Convert to fraction form
    12,582,783.86/17,364,076.65 = 7,076,156.90/x
  3. Step 3: Cross multiply
    12,582,783.86x = 17,364,076.65 × 7,076,156.90
  4. Step 4: Simplify right side
    12,582,783.86x = 122,870,930,712,205.98
  5. Step 5: Solve for x
    x = 122,870,930,712,205.98/12,582,783.86
  6. Step 6: Final answer
    x = 9,765,003.69

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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.