Home / 14,178,818.40-21,264,080.40-5,079,861.60

Finding the Fourth Proportional to 14,178,818.40, 21,264,080.40 and 5,079,861.60

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Solution

The fourth proportional to 14,178,818.40, 21,264,080.40 and 5,079,861.60 is: 7,618,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,818.40 : 21,264,080.40 = 5,079,861.60 : x
  2. Step 2: Convert to fraction form
    14,178,818.40/21,264,080.40 = 5,079,861.60/x
  3. Step 3: Cross multiply
    14,178,818.40x = 21,264,080.40 × 5,079,861.60
  4. Step 4: Simplify right side
    14,178,818.40x = 108,018,585,483,272.62
  5. Step 5: Solve for x
    x = 108,018,585,483,272.62/14,178,818.40
  6. Step 6: Final answer
    x = 7,618,306.58

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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.