Home / 18,825,230.16-28,249,788.32-8,042,612.12

Finding the Fourth Proportional to 18,825,230.16, 28,249,788.32 and 8,042,612.12

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Solution

The fourth proportional to 18,825,230.16, 28,249,788.32 and 8,042,612.12 is: 12,069,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,230.16 : 28,249,788.32 = 8,042,612.12 : x
  2. Step 2: Convert to fraction form
    18,825,230.16/28,249,788.32 = 8,042,612.12/x
  3. Step 3: Cross multiply
    18,825,230.16x = 28,249,788.32 × 8,042,612.12
  4. Step 4: Simplify right side
    18,825,230.16x = 227,202,089,929,866.44
  5. Step 5: Solve for x
    x = 227,202,089,929,866.44/18,825,230.16
  6. Step 6: Final answer
    x = 12,069,020.56

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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.