Home / 12,269,322.01-16,931,731.55-7,115,739.13

Finding the Fourth Proportional to 12,269,322.01, 16,931,731.55 and 7,115,739.13

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Solution

The fourth proportional to 12,269,322.01, 16,931,731.55 and 7,115,739.13 is: 9,819,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,322.01 : 16,931,731.55 = 7,115,739.13 : x
  2. Step 2: Convert to fraction form
    12,269,322.01/16,931,731.55 = 7,115,739.13/x
  3. Step 3: Cross multiply
    12,269,322.01x = 16,931,731.55 × 7,115,739.13
  4. Step 4: Simplify right side
    12,269,322.01x = 120,481,784,693,411.86
  5. Step 5: Solve for x
    x = 120,481,784,693,411.86/12,269,322.01
  6. Step 6: Final answer
    x = 9,819,758.96

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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.