Finding the Fourth Proportional to 18,972,641.01, 26,182,239.08 and 10,270,807.23
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Solution
The fourth proportional to 18,972,641.01, 26,182,239.08 and 10,270,807.23 is: 14,173,710.99
Step by Step Solution
- Step 1: Write the proportion equation
18,972,641.01 : 26,182,239.08 = 10,270,807.23 : x - Step 2: Convert to fraction form
18,972,641.01/26,182,239.08 = 10,270,807.23/x - Step 3: Cross multiply
18,972,641.01x = 26,182,239.08 × 10,270,807.23 - Step 4: Simplify right side
18,972,641.01x = 268,912,730,389,098.53 - Step 5: Solve for x
x = 268,912,730,389,098.53/18,972,641.01 - Step 6: Final answer
x = 14,173,710.99
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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.