Home / 51,549,719.12-71,138,112.23-28,028,255.52

Finding the Fourth Proportional to 51,549,719.12, 71,138,112.23 and 28,028,255.52

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Solution

The fourth proportional to 51,549,719.12, 71,138,112.23 and 28,028,255.52 is: 38,678,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549,719.12 : 71,138,112.23 = 28,028,255.52 : x
  2. Step 2: Convert to fraction form
    51,549,719.12/71,138,112.23 = 28,028,255.52/x
  3. Step 3: Cross multiply
    51,549,719.12x = 71,138,112.23 × 28,028,255.52
  4. Step 4: Simplify right side
    51,549,719.12x = 1,993,877,186,870,492.25
  5. Step 5: Solve for x
    x = 1,993,877,186,870,492.25/51,549,719.12
  6. Step 6: Final answer
    x = 38,678,720.68

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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.