Home / 12,599,328.72-18,901,749.36-4,080,526.32

Finding the Fourth Proportional to 12,599,328.72, 18,901,749.36 and 4,080,526.32

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Solution

The fourth proportional to 12,599,328.72, 18,901,749.36 and 4,080,526.32 is: 6,121,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599,328.72 : 18,901,749.36 = 4,080,526.32 : x
  2. Step 2: Convert to fraction form
    12,599,328.72/18,901,749.36 = 4,080,526.32/x
  3. Step 3: Cross multiply
    12,599,328.72x = 18,901,749.36 × 4,080,526.32
  4. Step 4: Simplify right side
    12,599,328.72x = 77,129,085,757,523.16
  5. Step 5: Solve for x
    x = 77,129,085,757,523.16/12,599,328.72
  6. Step 6: Final answer
    x = 6,121,682.15

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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.