Home / 23,100,087.06-31,878,120.77-12,786,810.15

Finding the Fourth Proportional to 23,100,087.06, 31,878,120.77 and 12,786,810.15

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Solution

The fourth proportional to 23,100,087.06, 31,878,120.77 and 12,786,810.15 is: 17,645,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100,087.06 : 31,878,120.77 = 12,786,810.15 : x
  2. Step 2: Convert to fraction form
    23,100,087.06/31,878,120.77 = 12,786,810.15/x
  3. Step 3: Cross multiply
    23,100,087.06x = 31,878,120.77 × 12,786,810.15
  4. Step 4: Simplify right side
    23,100,087.06x = 407,619,478,364,290.56
  5. Step 5: Solve for x
    x = 407,619,478,364,290.56/23,100,087.06
  6. Step 6: Final answer
    x = 17,645,798.36

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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.