Home / 21,077,796.51-29,095,385.94-13,737,415.32

Finding the Fourth Proportional to 21,077,796.51, 29,095,385.94 and 13,737,415.32

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Solution

The fourth proportional to 21,077,796.51, 29,095,385.94 and 13,737,415.32 is: 18,962,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077,796.51 : 29,095,385.94 = 13,737,415.32 : x
  2. Step 2: Convert to fraction form
    21,077,796.51/29,095,385.94 = 13,737,415.32/x
  3. Step 3: Cross multiply
    21,077,796.51x = 29,095,385.94 × 13,737,415.32
  4. Step 4: Simplify right side
    21,077,796.51x = 399,695,400,553,468.62
  5. Step 5: Solve for x
    x = 399,695,400,553,468.62/21,077,796.51
  6. Step 6: Final answer
    x = 18,962,864.57

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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.