Home / 9,258,131.93-12,775,658.45-5,127,918.21

Finding the Fourth Proportional to 9,258,131.93, 12,775,658.45 and 5,127,918.21

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Solution

The fourth proportional to 9,258,131.93, 12,775,658.45 and 5,127,918.21 is: 7,076,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,131.93 : 12,775,658.45 = 5,127,918.21 : x
  2. Step 2: Convert to fraction form
    9,258,131.93/12,775,658.45 = 5,127,918.21/x
  3. Step 3: Cross multiply
    9,258,131.93x = 12,775,658.45 × 5,127,918.21
  4. Step 4: Simplify right side
    9,258,131.93x = 65,512,531,584,855.78
  5. Step 5: Solve for x
    x = 65,512,531,584,855.78/9,258,131.93
  6. Step 6: Final answer
    x = 7,076,214.96

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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.