Home / 9,049,346.42-12,488,179.32-4,919,385.51

Finding the Fourth Proportional to 9,049,346.42, 12,488,179.32 and 4,919,385.51

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Solution

The fourth proportional to 9,049,346.42, 12,488,179.32 and 4,919,385.51 is: 6,788,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049,346.42 : 12,488,179.32 = 4,919,385.51 : x
  2. Step 2: Convert to fraction form
    9,049,346.42/12,488,179.32 = 4,919,385.51/x
  3. Step 3: Cross multiply
    9,049,346.42x = 12,488,179.32 × 4,919,385.51
  4. Step 4: Simplify right side
    9,049,346.42x = 61,434,168,393,089.65
  5. Step 5: Solve for x
    x = 61,434,168,393,089.65/9,049,346.42
  6. Step 6: Final answer
    x = 6,788,796.18

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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.