Home / 21,014,723.10-31,522,084.65-11,448,785.10

Finding the Fourth Proportional to 21,014,723.10, 31,522,084.65 and 11,448,785.10

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Solution

The fourth proportional to 21,014,723.10, 31,522,084.65 and 11,448,785.10 is: 17,173,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,723.10 : 31,522,084.65 = 11,448,785.10 : x
  2. Step 2: Convert to fraction form
    21,014,723.10/31,522,084.65 = 11,448,785.10/x
  3. Step 3: Cross multiply
    21,014,723.10x = 31,522,084.65 × 11,448,785.10
  4. Step 4: Simplify right side
    21,014,723.10x = 360,889,573,061,858.69
  5. Step 5: Solve for x
    x = 360,889,573,061,858.69/21,014,723.10
  6. Step 6: Final answer
    x = 17,173,177.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.