Home / 12,020,364.47-18,036,466.19-5,629,513.07

Finding the Fourth Proportional to 12,020,364.47, 18,036,466.19 and 5,629,513.07

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Solution

The fourth proportional to 12,020,364.47, 18,036,466.19 and 5,629,513.07 is: 8,447,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,364.47 : 18,036,466.19 = 5,629,513.07 : x
  2. Step 2: Convert to fraction form
    12,020,364.47/18,036,466.19 = 5,629,513.07/x
  3. Step 3: Cross multiply
    12,020,364.47x = 18,036,466.19 × 5,629,513.07
  4. Step 4: Simplify right side
    12,020,364.47x = 101,536,522,153,218.11
  5. Step 5: Solve for x
    x = 101,536,522,153,218.11/12,020,364.47
  6. Step 6: Final answer
    x = 8,447,041.89

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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.