Home / 30,354,632.15-41,889,517.70-16,415,986.95

Finding the Fourth Proportional to 30,354,632.15, 41,889,517.70 and 16,415,986.95

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Solution

The fourth proportional to 30,354,632.15, 41,889,517.70 and 16,415,986.95 is: 22,654,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354,632.15 : 41,889,517.70 = 16,415,986.95 : x
  2. Step 2: Convert to fraction form
    30,354,632.15/41,889,517.70 = 16,415,986.95/x
  3. Step 3: Cross multiply
    30,354,632.15x = 41,889,517.70 × 16,415,986.95
  4. Step 4: Simplify right side
    30,354,632.15x = 687,657,775,695,546.50
  5. Step 5: Solve for x
    x = 687,657,775,695,546.50/30,354,632.15
  6. Step 6: Final answer
    x = 22,654,129.77

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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.