Home / 9,122,673.30-12,589,128.45-5,255,182.50

Finding the Fourth Proportional to 9,122,673.30, 12,589,128.45 and 5,255,182.50

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Solution

The fourth proportional to 9,122,673.30, 12,589,128.45 and 5,255,182.50 is: 7,252,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122,673.30 : 12,589,128.45 = 5,255,182.50 : x
  2. Step 2: Convert to fraction form
    9,122,673.30/12,589,128.45 = 5,255,182.50/x
  3. Step 3: Cross multiply
    9,122,673.30x = 12,589,128.45 × 5,255,182.50
  4. Step 4: Simplify right side
    9,122,673.30x = 66,158,167,520,692.12
  5. Step 5: Solve for x
    x = 66,158,167,520,692.12/9,122,673.30
  6. Step 6: Final answer
    x = 7,252,059.28

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1.5x scale

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.