Home / 21,700,275.04-29,945,951.88-12,280,891.60

Finding the Fourth Proportional to 21,700,275.04, 29,945,951.88 and 12,280,891.60

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Solution

The fourth proportional to 21,700,275.04, 29,945,951.88 and 12,280,891.60 is: 16,947,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700,275.04 : 29,945,951.88 = 12,280,891.60 : x
  2. Step 2: Convert to fraction form
    21,700,275.04/29,945,951.88 = 12,280,891.60/x
  3. Step 3: Cross multiply
    21,700,275.04x = 29,945,951.88 × 12,280,891.60
  4. Step 4: Simplify right side
    21,700,275.04x = 367,762,988,897,096.19
  5. Step 5: Solve for x
    x = 367,762,988,897,096.19/21,700,275.04
  6. Step 6: Final answer
    x = 16,947,388.37

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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.