Home / 28,294,096.05-42,441,138.54-12,109,552.47

Finding the Fourth Proportional to 28,294,096.05, 42,441,138.54 and 12,109,552.47

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Solution

The fourth proportional to 28,294,096.05, 42,441,138.54 and 12,109,552.47 is: 18,164,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294,096.05 : 42,441,138.54 = 12,109,552.47 : x
  2. Step 2: Convert to fraction form
    28,294,096.05/42,441,138.54 = 12,109,552.47/x
  3. Step 3: Cross multiply
    28,294,096.05x = 42,441,138.54 × 12,109,552.47
  4. Step 4: Simplify right side
    28,294,096.05x = 513,943,194,036,669.19
  5. Step 5: Solve for x
    x = 513,943,194,036,669.19/28,294,096.05
  6. Step 6: Final answer
    x = 18,164,326.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.