Home / 28,999,855.98-40,018,725.54-15,946,338.24

Finding the Fourth Proportional to 28,999,855.98, 40,018,725.54 and 15,946,338.24

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Solution

The fourth proportional to 28,999,855.98, 40,018,725.54 and 15,946,338.24 is: 22,005,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999,855.98 : 40,018,725.54 = 15,946,338.24 : x
  2. Step 2: Convert to fraction form
    28,999,855.98/40,018,725.54 = 15,946,338.24/x
  3. Step 3: Cross multiply
    28,999,855.98x = 40,018,725.54 × 15,946,338.24
  4. Step 4: Simplify right side
    28,999,855.98x = 638,152,133,394,566.62
  5. Step 5: Solve for x
    x = 638,152,133,394,566.62/28,999,855.98
  6. Step 6: Final answer
    x = 22,005,355.26

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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.