Home / 28,927,200.58-39,920,021.82-15,875,673.94

Finding the Fourth Proportional to 28,927,200.58, 39,920,021.82 and 15,875,673.94

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Solution

The fourth proportional to 28,927,200.58, 39,920,021.82 and 15,875,673.94 is: 21,908,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927,200.58 : 39,920,021.82 = 15,875,673.94 : x
  2. Step 2: Convert to fraction form
    28,927,200.58/39,920,021.82 = 15,875,673.94/x
  3. Step 3: Cross multiply
    28,927,200.58x = 39,920,021.82 × 15,875,673.94
  4. Step 4: Simplify right side
    28,927,200.58x = 633,757,250,092,005.38
  5. Step 5: Solve for x
    x = 633,757,250,092,005.38/28,927,200.58
  6. Step 6: Final answer
    x = 21,908,696.22

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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.