Home / 14,174,460.80-21,264,801.60-6,989,436.80

Finding the Fourth Proportional to 14,174,460.80, 21,264,801.60 and 6,989,436.80

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Solution

The fourth proportional to 14,174,460.80, 21,264,801.60 and 6,989,436.80 is: 10,485,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174,460.80 : 21,264,801.60 = 6,989,436.80 : x
  2. Step 2: Convert to fraction form
    14,174,460.80/21,264,801.60 = 6,989,436.80/x
  3. Step 3: Cross multiply
    14,174,460.80x = 21,264,801.60 × 6,989,436.80
  4. Step 4: Simplify right side
    14,174,460.80x = 148,628,986,847,738.88
  5. Step 5: Solve for x
    x = 148,628,986,847,738.88/14,174,460.80
  6. Step 6: Final answer
    x = 10,485,688.94

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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.