Home / 21,962,772.40-30,310,441.74-12,176,287.60

Finding the Fourth Proportional to 21,962,772.40, 30,310,441.74 and 12,176,287.60

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Solution

The fourth proportional to 21,962,772.40, 30,310,441.74 and 12,176,287.60 is: 16,804,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962,772.40 : 30,310,441.74 = 12,176,287.60 : x
  2. Step 2: Convert to fraction form
    21,962,772.40/30,310,441.74 = 12,176,287.60/x
  3. Step 3: Cross multiply
    21,962,772.40x = 30,310,441.74 × 12,176,287.60
  4. Step 4: Simplify right side
    21,962,772.40x = 369,068,655,909,284.38
  5. Step 5: Solve for x
    x = 369,068,655,909,284.38/21,962,772.40
  6. Step 6: Final answer
    x = 16,804,283.59

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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.