Home / 21,282,776-29,370,234.16-11,624,984

Finding the Fourth Proportional to 21,282,776, 29,370,234.16 and 11,624,984

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Solution

The fourth proportional to 21,282,776, 29,370,234.16 and 11,624,984 is: 16,042,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,776 : 29,370,234.16 = 11,624,984 : x
  2. Step 2: Convert to fraction form
    21,282,776/29,370,234.16 = 11,624,984/x
  3. Step 3: Cross multiply
    21,282,776x = 29,370,234.16 × 11,624,984
  4. Step 4: Simplify right side
    21,282,776x = 341,428,502,186,253.44
  5. Step 5: Solve for x
    x = 341,428,502,186,253.44/21,282,776
  6. Step 6: Final answer
    x = 16,042,479.71

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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.