Home / 14,064,821.20-21,097,231.80-6,880,963.60

Finding the Fourth Proportional to 14,064,821.20, 21,097,231.80 and 6,880,963.60

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Solution

The fourth proportional to 14,064,821.20, 21,097,231.80 and 6,880,963.60 is: 10,321,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064,821.20 : 21,097,231.80 = 6,880,963.60 : x
  2. Step 2: Convert to fraction form
    14,064,821.20/21,097,231.80 = 6,880,963.60/x
  3. Step 3: Cross multiply
    14,064,821.20x = 21,097,231.80 × 6,880,963.60
  4. Step 4: Simplify right side
    14,064,821.20x = 145,169,284,076,562.47
  5. Step 5: Solve for x
    x = 145,169,284,076,562.47/14,064,821.20
  6. Step 6: Final answer
    x = 10,321,445.40

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1.5x scale

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.