Home / 10,167,816.32-14,031,529.86-5,521,556.69

Finding the Fourth Proportional to 10,167,816.32, 14,031,529.86 and 5,521,556.69

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Solution

The fourth proportional to 10,167,816.32, 14,031,529.86 and 5,521,556.69 is: 7,619,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167,816.32 : 14,031,529.86 = 5,521,556.69 : x
  2. Step 2: Convert to fraction form
    10,167,816.32/14,031,529.86 = 5,521,556.69/x
  3. Step 3: Cross multiply
    10,167,816.32x = 14,031,529.86 × 5,521,556.69
  4. Step 4: Simplify right side
    10,167,816.32x = 77,475,887,569,417.77
  5. Step 5: Solve for x
    x = 77,475,887,569,417.77/10,167,816.32
  6. Step 6: Final answer
    x = 7,619,717.46

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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.