Home / 15,571,917.44-21,333,172.40-14,989,711.28

Finding the Fourth Proportional to 15,571,917.44, 21,333,172.40 and 14,989,711.28

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Solution

The fourth proportional to 15,571,917.44, 21,333,172.40 and 14,989,711.28 is: 20,535,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,917.44 : 21,333,172.40 = 14,989,711.28 : x
  2. Step 2: Convert to fraction form
    15,571,917.44/21,333,172.40 = 14,989,711.28/x
  3. Step 3: Cross multiply
    15,571,917.44x = 21,333,172.40 × 14,989,711.28
  4. Step 4: Simplify right side
    15,571,917.44x = 319,778,094,962,464.62
  5. Step 5: Solve for x
    x = 319,778,094,962,464.62/15,571,917.44
  6. Step 6: Final answer
    x = 20,535,563.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.