Finding the Fourth Proportional to 19,351,965.42, 29,021,031.63 and 6,395,718.15
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Solution
The fourth proportional to 19,351,965.42, 29,021,031.63 and 6,395,718.15 is: 9,591,291.36
Step by Step Solution
- Step 1: Write the proportion equation
19,351,965.42 : 29,021,031.63 = 6,395,718.15 : x - Step 2: Convert to fraction form
19,351,965.42/29,021,031.63 = 6,395,718.15/x - Step 3: Cross multiply
19,351,965.42x = 29,021,031.63 × 6,395,718.15 - Step 4: Simplify right side
19,351,965.42x = 185,610,338,727,715.09 - Step 5: Solve for x
x = 185,610,338,727,715.09/19,351,965.42 - Step 6: Final answer
x = 9,591,291.36
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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.