Home / 12,520,664.75-17,278,216.26-7,014,271.79

Finding the Fourth Proportional to 12,520,664.75, 17,278,216.26 and 7,014,271.79

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Solution

The fourth proportional to 12,520,664.75, 17,278,216.26 and 7,014,271.79 is: 9,679,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520,664.75 : 17,278,216.26 = 7,014,271.79 : x
  2. Step 2: Convert to fraction form
    12,520,664.75/17,278,216.26 = 7,014,271.79/x
  3. Step 3: Cross multiply
    12,520,664.75x = 17,278,216.26 × 7,014,271.79
  4. Step 4: Simplify right side
    12,520,664.75x = 121,194,104,894,037.31
  5. Step 5: Solve for x
    x = 121,194,104,894,037.31/12,520,664.75
  6. Step 6: Final answer
    x = 9,679,526.39

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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.