Home / 43,889,687.42-65,787,012.54-28,547,940.74

Finding the Fourth Proportional to 43,889,687.42, 65,787,012.54 and 28,547,940.74

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Solution

The fourth proportional to 43,889,687.42, 65,787,012.54 and 28,547,940.74 is: 42,791,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889,687.42 : 65,787,012.54 = 28,547,940.74 : x
  2. Step 2: Convert to fraction form
    43,889,687.42/65,787,012.54 = 28,547,940.74/x
  3. Step 3: Cross multiply
    43,889,687.42x = 65,787,012.54 × 28,547,940.74
  4. Step 4: Simplify right side
    43,889,687.42x = 1,878,083,735,453,556.75
  5. Step 5: Solve for x
    x = 1,878,083,735,453,556.75/43,889,687.42
  6. Step 6: Final answer
    x = 42,791,002.76

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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.