Home / 21,366,429.77-29,485,631.86-11,577,138.93

Finding the Fourth Proportional to 21,366,429.77, 29,485,631.86 and 11,577,138.93

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Solution

The fourth proportional to 21,366,429.77, 29,485,631.86 and 11,577,138.93 is: 15,976,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366,429.77 : 29,485,631.86 = 11,577,138.93 : x
  2. Step 2: Convert to fraction form
    21,366,429.77/29,485,631.86 = 11,577,138.93/x
  3. Step 3: Cross multiply
    21,366,429.77x = 29,485,631.86 × 11,577,138.93
  4. Step 4: Simplify right side
    21,366,429.77x = 341,359,256,453,111.50
  5. Step 5: Solve for x
    x = 341,359,256,453,111.50/21,366,429.77
  6. Step 6: Final answer
    x = 15,976,429.38

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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.