Finding the Fourth Proportional to 47,780,716.74, 71,671,331.10 and 11,878,924.74
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Solution
The fourth proportional to 47,780,716.74, 71,671,331.10 and 11,878,924.74 is: 17,818,450.75
Step by Step Solution
- Step 1: Write the proportion equation
47,780,716.74 : 71,671,331.10 = 11,878,924.74 : x - Step 2: Convert to fraction form
47,780,716.74/71,671,331.10 = 11,878,924.74/x - Step 3: Cross multiply
47,780,716.74x = 71,671,331.10 × 11,878,924.74 - Step 4: Simplify right side
47,780,716.74x = 851,378,348,152,521.38 - Step 5: Solve for x
x = 851,378,348,152,521.38/47,780,716.74 - Step 6: Final answer
x = 17,818,450.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.