Home / 9,339,536.46-12,889,137.90-5,153,200.88

Finding the Fourth Proportional to 9,339,536.46, 12,889,137.90 and 5,153,200.88

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Solution

The fourth proportional to 9,339,536.46, 12,889,137.90 and 5,153,200.88 is: 7,111,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,536.46 : 12,889,137.90 = 5,153,200.88 : x
  2. Step 2: Convert to fraction form
    9,339,536.46/12,889,137.90 = 5,153,200.88/x
  3. Step 3: Cross multiply
    9,339,536.46x = 12,889,137.90 × 5,153,200.88
  4. Step 4: Simplify right side
    9,339,536.46x = 66,420,316,768,721.35
  5. Step 5: Solve for x
    x = 66,420,316,768,721.35/9,339,536.46
  6. Step 6: Final answer
    x = 7,111,735.90

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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.