Finding the Fourth Proportional to 19,133,462.84, 26,403,823.20 and 10,431,710.60
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Solution
The fourth proportional to 19,133,462.84, 26,403,823.20 and 10,431,710.60 is: 14,395,566.80
Step by Step Solution
- Step 1: Write the proportion equation
19,133,462.84 : 26,403,823.20 = 10,431,710.60 : x - Step 2: Convert to fraction form
19,133,462.84/26,403,823.20 = 10,431,710.60/x - Step 3: Cross multiply
19,133,462.84x = 26,403,823.20 × 10,431,710.60 - Step 4: Simplify right side
19,133,462.84x = 275,437,042,355,965.91 - Step 5: Solve for x
x = 275,437,042,355,965.91/19,133,462.84 - Step 6: Final answer
x = 14,395,566.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.