Home / 12,145,096.61-16,760,219.12-6,638,507.63

Finding the Fourth Proportional to 12,145,096.61, 16,760,219.12 and 6,638,507.63

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Solution

The fourth proportional to 12,145,096.61, 16,760,219.12 and 6,638,507.63 is: 9,161,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,096.61 : 16,760,219.12 = 6,638,507.63 : x
  2. Step 2: Convert to fraction form
    12,145,096.61/16,760,219.12 = 6,638,507.63/x
  3. Step 3: Cross multiply
    12,145,096.61x = 16,760,219.12 × 6,638,507.63
  4. Step 4: Simplify right side
    12,145,096.61x = 111,262,842,508,591.88
  5. Step 5: Solve for x
    x = 111,262,842,508,591.88/12,145,096.61
  6. Step 6: Final answer
    x = 9,161,132.77

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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.