Home / 14,210,028.40-21,315,042.60-5,238,079.60

Finding the Fourth Proportional to 14,210,028.40, 21,315,042.60 and 5,238,079.60

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Solution

The fourth proportional to 14,210,028.40, 21,315,042.60 and 5,238,079.60 is: 7,857,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210,028.40 : 21,315,042.60 = 5,238,079.60 : x
  2. Step 2: Convert to fraction form
    14,210,028.40/21,315,042.60 = 5,238,079.60/x
  3. Step 3: Cross multiply
    14,210,028.40x = 21,315,042.60 × 5,238,079.60
  4. Step 4: Simplify right side
    14,210,028.40x = 111,649,889,816,190.95
  5. Step 5: Solve for x
    x = 111,649,889,816,190.95/14,210,028.40
  6. Step 6: Final answer
    x = 7,857,119.40

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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.