Home / 40,461,622.74-55,836,926.46-21,876,632.82

Finding the Fourth Proportional to 40,461,622.74, 55,836,926.46 and 21,876,632.82

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Solution

The fourth proportional to 40,461,622.74, 55,836,926.46 and 21,876,632.82 is: 30,189,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461,622.74 : 55,836,926.46 = 21,876,632.82 : x
  2. Step 2: Convert to fraction form
    40,461,622.74/55,836,926.46 = 21,876,632.82/x
  3. Step 3: Cross multiply
    40,461,622.74x = 55,836,926.46 × 21,876,632.82
  4. Step 4: Simplify right side
    40,461,622.74x = 1,221,523,937,962,762.50
  5. Step 5: Solve for x
    x = 1,221,523,937,962,762.50/40,461,622.74
  6. Step 6: Final answer
    x = 30,189,692.24

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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.