Home / 19,399,858.56-29,102,039.08-6,447,165.16

Finding the Fourth Proportional to 19,399,858.56, 29,102,039.08 and 6,447,165.16

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Solution

The fourth proportional to 19,399,858.56, 29,102,039.08 and 6,447,165.16 is: 9,671,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,858.56 : 29,102,039.08 = 6,447,165.16 : x
  2. Step 2: Convert to fraction form
    19,399,858.56/29,102,039.08 = 6,447,165.16/x
  3. Step 3: Cross multiply
    19,399,858.56x = 29,102,039.08 × 6,447,165.16
  4. Step 4: Simplify right side
    19,399,858.56x = 187,625,652,441,534.44
  5. Step 5: Solve for x
    x = 187,625,652,441,534.44/19,399,858.56
  6. Step 6: Final answer
    x = 9,671,495.90

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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.