Home / 34,158,336.95-47,139,629.13-18,688,067.57

Finding the Fourth Proportional to 34,158,336.95, 47,139,629.13 and 18,688,067.57

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Solution

The fourth proportional to 34,158,336.95, 47,139,629.13 and 18,688,067.57 is: 25,790,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158,336.95 : 47,139,629.13 = 18,688,067.57 : x
  2. Step 2: Convert to fraction form
    34,158,336.95/47,139,629.13 = 18,688,067.57/x
  3. Step 3: Cross multiply
    34,158,336.95x = 47,139,629.13 × 18,688,067.57
  4. Step 4: Simplify right side
    34,158,336.95x = 880,948,574,524,029.50
  5. Step 5: Solve for x
    x = 880,948,574,524,029.50/34,158,336.95
  6. Step 6: Final answer
    x = 25,790,148.27

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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.