Home / 28,453,556.38-42,688,326.03-11,426,186.74

Finding the Fourth Proportional to 28,453,556.38, 42,688,326.03 and 11,426,186.74

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Solution

The fourth proportional to 28,453,556.38, 42,688,326.03 and 11,426,186.74 is: 17,142,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,556.38 : 42,688,326.03 = 11,426,186.74 : x
  2. Step 2: Convert to fraction form
    28,453,556.38/42,688,326.03 = 11,426,186.74/x
  3. Step 3: Cross multiply
    28,453,556.38x = 42,688,326.03 × 11,426,186.74
  4. Step 4: Simplify right side
    28,453,556.38x = 487,764,784,836,782.88
  5. Step 5: Solve for x
    x = 487,764,784,836,782.88/28,453,556.38
  6. Step 6: Final answer
    x = 17,142,489.27

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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.