Home / 9,186,848.89-12,679,058.69-5,268,138.55

Finding the Fourth Proportional to 9,186,848.89, 12,679,058.69 and 5,268,138.55

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Solution

The fourth proportional to 9,186,848.89, 12,679,058.69 and 5,268,138.55 is: 7,270,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186,848.89 : 12,679,058.69 = 5,268,138.55 : x
  2. Step 2: Convert to fraction form
    9,186,848.89/12,679,058.69 = 5,268,138.55/x
  3. Step 3: Cross multiply
    9,186,848.89x = 12,679,058.69 × 5,268,138.55
  4. Step 4: Simplify right side
    9,186,848.89x = 66,795,037,824,218.69
  5. Step 5: Solve for x
    x = 66,795,037,824,218.69/9,186,848.89
  6. Step 6: Final answer
    x = 7,270,723.47

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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.