Home / 21,693,628.48-29,937,124.40-11,904,236.32

Finding the Fourth Proportional to 21,693,628.48, 29,937,124.40 and 11,904,236.32

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Solution

The fourth proportional to 21,693,628.48, 29,937,124.40 and 11,904,236.32 is: 16,427,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,628.48 : 29,937,124.40 = 11,904,236.32 : x
  2. Step 2: Convert to fraction form
    21,693,628.48/29,937,124.40 = 11,904,236.32/x
  3. Step 3: Cross multiply
    21,693,628.48x = 29,937,124.40 × 11,904,236.32
  4. Step 4: Simplify right side
    21,693,628.48x = 356,378,603,598,838.19
  5. Step 5: Solve for x
    x = 356,378,603,598,838.19/21,693,628.48
  6. Step 6: Final answer
    x = 16,427,800.63

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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.