Home / 12,962,637.76-17,887,895.36-7,455,596.80

Finding the Fourth Proportional to 12,962,637.76, 17,887,895.36 and 7,455,596.80

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Solution

The fourth proportional to 12,962,637.76, 17,887,895.36 and 7,455,596.80 is: 10,288,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962,637.76 : 17,887,895.36 = 7,455,596.80 : x
  2. Step 2: Convert to fraction form
    12,962,637.76/17,887,895.36 = 7,455,596.80/x
  3. Step 3: Cross multiply
    12,962,637.76x = 17,887,895.36 × 7,455,596.80
  4. Step 4: Simplify right side
    12,962,637.76x = 133,364,935,404,750.84
  5. Step 5: Solve for x
    x = 133,364,935,404,750.84/12,962,637.76
  6. Step 6: Final answer
    x = 10,288,410.27

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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.