Home / 12,020,363.47-18,036,464.69-5,629,512.07

Finding the Fourth Proportional to 12,020,363.47, 18,036,464.69 and 5,629,512.07

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Solution

The fourth proportional to 12,020,363.47, 18,036,464.69 and 5,629,512.07 is: 8,447,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,363.47 : 18,036,464.69 = 5,629,512.07 : x
  2. Step 2: Convert to fraction form
    12,020,363.47/18,036,464.69 = 5,629,512.07/x
  3. Step 3: Cross multiply
    12,020,363.47x = 18,036,464.69 × 5,629,512.07
  4. Step 4: Simplify right side
    12,020,363.47x = 101,536,495,641,466.42
  5. Step 5: Solve for x
    x = 101,536,495,641,466.42/12,020,363.47
  6. Step 6: Final answer
    x = 8,447,040.38

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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.