Home / 30,649,332.96-42,296,353.20-16,898,790.24

Finding the Fourth Proportional to 30,649,332.96, 42,296,353.20 and 16,898,790.24

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Solution

The fourth proportional to 30,649,332.96, 42,296,353.20 and 16,898,790.24 is: 23,320,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,649,332.96 : 42,296,353.20 = 16,898,790.24 : x
  2. Step 2: Convert to fraction form
    30,649,332.96/42,296,353.20 = 16,898,790.24/x
  3. Step 3: Cross multiply
    30,649,332.96x = 42,296,353.20 × 16,898,790.24
  4. Step 4: Simplify right side
    30,649,332.96x = 714,757,200,643,752.75
  5. Step 5: Solve for x
    x = 714,757,200,643,752.75/30,649,332.96
  6. Step 6: Final answer
    x = 23,320,481.45

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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.