Finding the Fourth Proportional to 19,808,331.98, 29,686,924.91 and 8,870,513.27
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Solution
The fourth proportional to 19,808,331.98, 29,686,924.91 and 8,870,513.27 is: 13,294,317.84
Step by Step Solution
- Step 1: Write the proportion equation
19,808,331.98 : 29,686,924.91 = 8,870,513.27 : x - Step 2: Convert to fraction form
19,808,331.98/29,686,924.91 = 8,870,513.27/x - Step 3: Cross multiply
19,808,331.98x = 29,686,924.91 × 8,870,513.27 - Step 4: Simplify right side
19,808,331.98x = 263,338,261,233,390.25 - Step 5: Solve for x
x = 263,338,261,233,390.25/19,808,331.98 - Step 6: Final answer
x = 13,294,317.84
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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.