Home / 21,669,663.61-29,902,476.12-12,375,950.81

Finding the Fourth Proportional to 21,669,663.61, 29,902,476.12 and 12,375,950.81

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Solution

The fourth proportional to 21,669,663.61, 29,902,476.12 and 12,375,950.81 is: 17,077,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,663.61 : 29,902,476.12 = 12,375,950.81 : x
  2. Step 2: Convert to fraction form
    21,669,663.61/29,902,476.12 = 12,375,950.81/x
  3. Step 3: Cross multiply
    21,669,663.61x = 29,902,476.12 × 12,375,950.81
  4. Step 4: Simplify right side
    21,669,663.61x = 370,071,573,558,319.69
  5. Step 5: Solve for x
    x = 370,071,573,558,319.69/21,669,663.61
  6. Step 6: Final answer
    x = 17,077,864.26

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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.