Home / 12,994,939.74-17,933,228.28-7,114,474.68

Finding the Fourth Proportional to 12,994,939.74, 17,933,228.28 and 7,114,474.68

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Solution

The fourth proportional to 12,994,939.74, 17,933,228.28 and 7,114,474.68 is: 9,818,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,939.74 : 17,933,228.28 = 7,114,474.68 : x
  2. Step 2: Convert to fraction form
    12,994,939.74/17,933,228.28 = 7,114,474.68/x
  3. Step 3: Cross multiply
    12,994,939.74x = 17,933,228.28 × 7,114,474.68
  4. Step 4: Simplify right side
    12,994,939.74x = 127,585,498,528,719.95
  5. Step 5: Solve for x
    x = 127,585,498,528,719.95/12,994,939.74
  6. Step 6: Final answer
    x = 9,818,090.82

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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.