Finding the Fourth Proportional to 42,283,183.74, 63,424,893.86 and 13,141,284.03
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Solution
The fourth proportional to 42,283,183.74, 63,424,893.86 and 13,141,284.03 is: 19,711,962.80
Step by Step Solution
- Step 1: Write the proportion equation
42,283,183.74 : 63,424,893.86 = 13,141,284.03 : x - Step 2: Convert to fraction form
42,283,183.74/63,424,893.86 = 13,141,284.03/x - Step 3: Cross multiply
42,283,183.74x = 63,424,893.86 × 13,141,284.03 - Step 4: Simplify right side
42,283,183.74x = 833,484,544,786,863 - Step 5: Solve for x
x = 833,484,544,786,863/42,283,183.74 - Step 6: Final answer
x = 19,711,962.80
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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.