Home / 28,333,991.08-39,097,892.82-15,943,868.56

Finding the Fourth Proportional to 28,333,991.08, 39,097,892.82 and 15,943,868.56

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Solution

The fourth proportional to 28,333,991.08, 39,097,892.82 and 15,943,868.56 is: 22,000,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,991.08 : 39,097,892.82 = 15,943,868.56 : x
  2. Step 2: Convert to fraction form
    28,333,991.08/39,097,892.82 = 15,943,868.56/x
  3. Step 3: Cross multiply
    28,333,991.08x = 39,097,892.82 × 15,943,868.56
  4. Step 4: Simplify right side
    28,333,991.08x = 623,371,664,095,047.75
  5. Step 5: Solve for x
    x = 623,371,664,095,047.75/28,333,991.08
  6. Step 6: Final answer
    x = 22,000,842.11

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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.