Home / 14,064,495.32-21,097,559.44-5,428,644.68

Finding the Fourth Proportional to 14,064,495.32, 21,097,559.44 and 5,428,644.68

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Solution

The fourth proportional to 14,064,495.32, 21,097,559.44 and 5,428,644.68 is: 8,143,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064,495.32 : 21,097,559.44 = 5,428,644.68 : x
  2. Step 2: Convert to fraction form
    14,064,495.32/21,097,559.44 = 5,428,644.68/x
  3. Step 3: Cross multiply
    14,064,495.32x = 21,097,559.44 × 5,428,644.68
  4. Step 4: Simplify right side
    14,064,495.32x = 114,531,153,814,939.78
  5. Step 5: Solve for x
    x = 114,531,153,814,939.78/14,064,495.32
  6. Step 6: Final answer
    x = 8,143,282.16

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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.