Home / 12,138,984.06-16,751,602.59-6,632,240.70

Finding the Fourth Proportional to 12,138,984.06, 16,751,602.59 and 6,632,240.70

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Solution

The fourth proportional to 12,138,984.06, 16,751,602.59 and 6,632,240.70 is: 9,152,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,984.06 : 16,751,602.59 = 6,632,240.70 : x
  2. Step 2: Convert to fraction form
    12,138,984.06/16,751,602.59 = 6,632,240.70/x
  3. Step 3: Cross multiply
    12,138,984.06x = 16,751,602.59 × 6,632,240.70
  4. Step 4: Simplify right side
    12,138,984.06x = 111,100,660,487,623.42
  5. Step 5: Solve for x
    x = 111,100,660,487,623.42/12,138,984.06
  6. Step 6: Final answer
    x = 9,152,385.40

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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.