Finding the Fourth Proportional to 19,399,857.56, 29,102,037.58 and 6,447,164.16
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Solution
The fourth proportional to 19,399,857.56, 29,102,037.58 and 6,447,164.16 is: 9,671,494.40
Step by Step Solution
- Step 1: Write the proportion equation
19,399,857.56 : 29,102,037.58 = 6,447,164.16 : x - Step 2: Convert to fraction form
19,399,857.56/29,102,037.58 = 6,447,164.16/x - Step 3: Cross multiply
19,399,857.56x = 29,102,037.58 × 6,447,164.16 - Step 4: Simplify right side
19,399,857.56x = 187,625,613,785,940.75 - Step 5: Solve for x
x = 187,625,613,785,940.75/19,399,857.56 - Step 6: Final answer
x = 9,671,494.40
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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.