Home / 12,126,682.40-18,190,023.60-7,343,713.40

Finding the Fourth Proportional to 12,126,682.40, 18,190,023.60 and 7,343,713.40

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Solution

The fourth proportional to 12,126,682.40, 18,190,023.60 and 7,343,713.40 is: 11,015,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,682.40 : 18,190,023.60 = 7,343,713.40 : x
  2. Step 2: Convert to fraction form
    12,126,682.40/18,190,023.60 = 7,343,713.40/x
  3. Step 3: Cross multiply
    12,126,682.40x = 18,190,023.60 × 7,343,713.40
  4. Step 4: Simplify right side
    12,126,682.40x = 133,582,320,057,636.25
  5. Step 5: Solve for x
    x = 133,582,320,057,636.25/12,126,682.40
  6. Step 6: Final answer
    x = 11,015,570.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.