Home / 30,646,120.77-45,969,347.34-9,080,909.19

Finding the Fourth Proportional to 30,646,120.77, 45,969,347.34 and 9,080,909.19

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Solution

The fourth proportional to 30,646,120.77, 45,969,347.34 and 9,080,909.19 is: 13,621,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,120.77 : 45,969,347.34 = 9,080,909.19 : x
  2. Step 2: Convert to fraction form
    30,646,120.77/45,969,347.34 = 9,080,909.19/x
  3. Step 3: Cross multiply
    30,646,120.77x = 45,969,347.34 × 9,080,909.19
  4. Step 4: Simplify right side
    30,646,120.77x = 417,443,468,718,108.06
  5. Step 5: Solve for x
    x = 417,443,468,718,108.06/30,646,120.77
  6. Step 6: Final answer
    x = 13,621,413.03

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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.