Home / 21,225,036.58-29,291,588.32-11,935,529.91

Finding the Fourth Proportional to 21,225,036.58, 29,291,588.32 and 11,935,529.91

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Solution

The fourth proportional to 21,225,036.58, 29,291,588.32 and 11,935,529.91 is: 16,471,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,036.58 : 29,291,588.32 = 11,935,529.91 : x
  2. Step 2: Convert to fraction form
    21,225,036.58/29,291,588.32 = 11,935,529.91/x
  3. Step 3: Cross multiply
    21,225,036.58x = 29,291,588.32 × 11,935,529.91
  4. Step 4: Simplify right side
    21,225,036.58x = 349,610,628,414,145.69
  5. Step 5: Solve for x
    x = 349,610,628,414,145.69/21,225,036.58
  6. Step 6: Final answer
    x = 16,471,614.89

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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.