Home / 21,167,051.66-29,223,053.40-13,333,279.17

Finding the Fourth Proportional to 21,167,051.66, 29,223,053.40 and 13,333,279.17

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Solution

The fourth proportional to 21,167,051.66, 29,223,053.40 and 13,333,279.17 is: 18,407,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,051.66 : 29,223,053.40 = 13,333,279.17 : x
  2. Step 2: Convert to fraction form
    21,167,051.66/29,223,053.40 = 13,333,279.17/x
  3. Step 3: Cross multiply
    21,167,051.66x = 29,223,053.40 × 13,333,279.17
  4. Step 4: Simplify right side
    21,167,051.66x = 389,639,129,182,017.62
  5. Step 5: Solve for x
    x = 389,639,129,182,017.62/21,167,051.66
  6. Step 6: Final answer
    x = 18,407,813.03

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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.