Home / 9,628,986.48-13,280,253.28-8,464,943.84

Finding the Fourth Proportional to 9,628,986.48, 13,280,253.28 and 8,464,943.84

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Solution

The fourth proportional to 9,628,986.48, 13,280,253.28 and 8,464,943.84 is: 11,674,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,986.48 : 13,280,253.28 = 8,464,943.84 : x
  2. Step 2: Convert to fraction form
    9,628,986.48/13,280,253.28 = 8,464,943.84/x
  3. Step 3: Cross multiply
    9,628,986.48x = 13,280,253.28 × 8,464,943.84
  4. Step 4: Simplify right side
    9,628,986.48x = 112,416,598,196,175.78
  5. Step 5: Solve for x
    x = 112,416,598,196,175.78/9,628,986.48
  6. Step 6: Final answer
    x = 11,674,811.10

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Double scale
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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.