Home / 20,349,675.61-28,079,391.10-12,089,525.60

Finding the Fourth Proportional to 20,349,675.61, 28,079,391.10 and 12,089,525.60

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Solution

The fourth proportional to 20,349,675.61, 28,079,391.10 and 12,089,525.60 is: 16,681,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349,675.61 : 28,079,391.10 = 12,089,525.60 : x
  2. Step 2: Convert to fraction form
    20,349,675.61/28,079,391.10 = 12,089,525.60/x
  3. Step 3: Cross multiply
    20,349,675.61x = 28,079,391.10 × 12,089,525.60
  4. Step 4: Simplify right side
    20,349,675.61x = 339,466,517,447,871.25
  5. Step 5: Solve for x
    x = 339,466,517,447,871.25/20,349,675.61
  6. Step 6: Final answer
    x = 16,681,667.26

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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.