Home / 18,341,278-25,284,287.28-12,817,503.52

Finding the Fourth Proportional to 18,341,278, 25,284,287.28 and 12,817,503.52

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Solution

The fourth proportional to 18,341,278, 25,284,287.28 and 12,817,503.52 is: 17,669,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,278 : 25,284,287.28 = 12,817,503.52 : x
  2. Step 2: Convert to fraction form
    18,341,278/25,284,287.28 = 12,817,503.52/x
  3. Step 3: Cross multiply
    18,341,278x = 25,284,287.28 × 12,817,503.52
  4. Step 4: Simplify right side
    18,341,278x = 324,081,441,212,091.25
  5. Step 5: Solve for x
    x = 324,081,441,212,091.25/18,341,278
  6. Step 6: Final answer
    x = 17,669,512.52

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1.5x scale

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.