Home / 38,684,926.08-53,383,511.52-21,280,167.36

Finding the Fourth Proportional to 38,684,926.08, 53,383,511.52 and 21,280,167.36

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Solution

The fourth proportional to 38,684,926.08, 53,383,511.52 and 21,280,167.36 is: 29,365,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,684,926.08 : 53,383,511.52 = 21,280,167.36 : x
  2. Step 2: Convert to fraction form
    38,684,926.08/53,383,511.52 = 21,280,167.36/x
  3. Step 3: Cross multiply
    38,684,926.08x = 53,383,511.52 × 21,280,167.36
  4. Step 4: Simplify right side
    38,684,926.08x = 1,136,010,059,410,088
  5. Step 5: Solve for x
    x = 1,136,010,059,410,088/38,684,926.08
  6. Step 6: Final answer
    x = 29,365,703.25

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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.