Home / 27,526,078.80-37,988,409.15-15,138,355.41

Finding the Fourth Proportional to 27,526,078.80, 37,988,409.15 and 15,138,355.41

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Solution

The fourth proportional to 27,526,078.80, 37,988,409.15 and 15,138,355.41 is: 20,892,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,526,078.80 : 37,988,409.15 = 15,138,355.41 : x
  2. Step 2: Convert to fraction form
    27,526,078.80/37,988,409.15 = 15,138,355.41/x
  3. Step 3: Cross multiply
    27,526,078.80x = 37,988,409.15 × 15,138,355.41
  4. Step 4: Simplify right side
    27,526,078.80x = 575,082,039,173,196
  5. Step 5: Solve for x
    x = 575,082,039,173,196/27,526,078.80
  6. Step 6: Final answer
    x = 20,892,261.60

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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.