Home / 9,091,672.95-12,546,801-5,171,328.64

Finding the Fourth Proportional to 9,091,672.95, 12,546,801 and 5,171,328.64

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Solution

The fourth proportional to 9,091,672.95, 12,546,801 and 5,171,328.64 is: 7,136,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091,672.95 : 12,546,801 = 5,171,328.64 : x
  2. Step 2: Convert to fraction form
    9,091,672.95/12,546,801 = 5,171,328.64/x
  3. Step 3: Cross multiply
    9,091,672.95x = 12,546,801 × 5,171,328.64
  4. Step 4: Simplify right side
    9,091,672.95x = 64,883,631,320,313.64
  5. Step 5: Solve for x
    x = 64,883,631,320,313.64/9,091,672.95
  6. Step 6: Final answer
    x = 7,136,599.80

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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.