Home / 28,027,560.12-38,677,979.25-15,636,916.23

Finding the Fourth Proportional to 28,027,560.12, 38,677,979.25 and 15,636,916.23

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Solution

The fourth proportional to 28,027,560.12, 38,677,979.25 and 15,636,916.23 is: 21,578,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,560.12 : 38,677,979.25 = 15,636,916.23 : x
  2. Step 2: Convert to fraction form
    28,027,560.12/38,677,979.25 = 15,636,916.23/x
  3. Step 3: Cross multiply
    28,027,560.12x = 38,677,979.25 × 15,636,916.23
  4. Step 4: Simplify right side
    28,027,560.12x = 604,804,321,477,928.25
  5. Step 5: Solve for x
    x = 604,804,321,477,928.25/28,027,560.12
  6. Step 6: Final answer
    x = 21,578,914.43

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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.