Home / 9,628,957.81-13,280,213.75-8,464,915.18

Finding the Fourth Proportional to 9,628,957.81, 13,280,213.75 and 8,464,915.18

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Solution

The fourth proportional to 9,628,957.81, 13,280,213.75 and 8,464,915.18 is: 11,674,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,957.81 : 13,280,213.75 = 8,464,915.18 : x
  2. Step 2: Convert to fraction form
    9,628,957.81/13,280,213.75 = 8,464,915.18/x
  3. Step 3: Cross multiply
    9,628,957.81x = 13,280,213.75 × 8,464,915.18
  4. Step 4: Simplify right side
    9,628,957.81x = 112,415,882,966,019.72
  5. Step 5: Solve for x
    x = 112,415,882,966,019.72/9,628,957.81
  6. Step 6: Final answer
    x = 11,674,771.58

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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.