Home / 21,256,036.52-29,332,483.98-12,557,002.64

Finding the Fourth Proportional to 21,256,036.52, 29,332,483.98 and 12,557,002.64

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Solution

The fourth proportional to 21,256,036.52, 29,332,483.98 and 12,557,002.64 is: 17,328,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256,036.52 : 29,332,483.98 = 12,557,002.64 : x
  2. Step 2: Convert to fraction form
    21,256,036.52/29,332,483.98 = 12,557,002.64/x
  3. Step 3: Cross multiply
    21,256,036.52x = 29,332,483.98 × 12,557,002.64
  4. Step 4: Simplify right side
    21,256,036.52x = 368,328,078,774,617.75
  5. Step 5: Solve for x
    x = 368,328,078,774,617.75/21,256,036.52
  6. Step 6: Final answer
    x = 17,328,163.62

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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.