Home / 9,000,209.88-12,420,216.54-4,925,819.16

Finding the Fourth Proportional to 9,000,209.88, 12,420,216.54 and 4,925,819.16

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Solution

The fourth proportional to 9,000,209.88, 12,420,216.54 and 4,925,819.16 is: 6,797,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,209.88 : 12,420,216.54 = 4,925,819.16 : x
  2. Step 2: Convert to fraction form
    9,000,209.88/12,420,216.54 = 4,925,819.16/x
  3. Step 3: Cross multiply
    9,000,209.88x = 12,420,216.54 × 4,925,819.16
  4. Step 4: Simplify right side
    9,000,209.88x = 61,179,740,604,080.91
  5. Step 5: Solve for x
    x = 61,179,740,604,080.91/9,000,209.88
  6. Step 6: Final answer
    x = 6,797,590.44

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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.