Home / 28,438,809.76-39,272,662.07-26,889,483.94

Finding the Fourth Proportional to 28,438,809.76, 39,272,662.07 and 26,889,483.94

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Solution

The fourth proportional to 28,438,809.76, 39,272,662.07 and 26,889,483.94 is: 37,133,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438,809.76 : 39,272,662.07 = 26,889,483.94 : x
  2. Step 2: Convert to fraction form
    28,438,809.76/39,272,662.07 = 26,889,483.94/x
  3. Step 3: Cross multiply
    28,438,809.76x = 39,272,662.07 × 26,889,483.94
  4. Step 4: Simplify right side
    28,438,809.76x = 1,056,021,616,105,408.25
  5. Step 5: Solve for x
    x = 1,056,021,616,105,408.25/28,438,809.76
  6. Step 6: Final answer
    x = 37,133,115.81

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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.