Finding the Fourth Proportional to 17,475,965.91, 24,127,178.06 and 15,536,870.55
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Solution
The fourth proportional to 17,475,965.91, 24,127,178.06 and 15,536,870.55 is: 21,450,078.60
Step by Step Solution
- Step 1: Write the proportion equation
17,475,965.91 : 24,127,178.06 = 15,536,870.55 : x - Step 2: Convert to fraction form
17,475,965.91/24,127,178.06 = 15,536,870.55/x - Step 3: Cross multiply
17,475,965.91x = 24,127,178.06 × 15,536,870.55 - Step 4: Simplify right side
17,475,965.91x = 374,860,842,293,862.31 - Step 5: Solve for x
x = 374,860,842,293,862.31/17,475,965.91 - Step 6: Final answer
x = 21,450,078.60
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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.