Home / 10,859,943.76-16,274,782.80-8,161,117.36

Finding the Fourth Proportional to 10,859,943.76, 16,274,782.80 and 8,161,117.36

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Solution

The fourth proportional to 10,859,943.76, 16,274,782.80 and 8,161,117.36 is: 12,230,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859,943.76 : 16,274,782.80 = 8,161,117.36 : x
  2. Step 2: Convert to fraction form
    10,859,943.76/16,274,782.80 = 8,161,117.36/x
  3. Step 3: Cross multiply
    10,859,943.76x = 16,274,782.80 × 8,161,117.36
  4. Step 4: Simplify right side
    10,859,943.76x = 132,820,412,439,309.42
  5. Step 5: Solve for x
    x = 132,820,412,439,309.42/10,859,943.76
  6. Step 6: Final answer
    x = 12,230,303.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.