Finding the Fourth Proportional to 36,873,124.80, 55,343,148.30 and 18,689,969.40
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Solution
The fourth proportional to 36,873,124.80, 55,343,148.30 and 18,689,969.40 is: 28,051,914.61
Step by Step Solution
- Step 1: Write the proportion equation
36,873,124.80 : 55,343,148.30 = 18,689,969.40 : x - Step 2: Convert to fraction form
36,873,124.80/55,343,148.30 = 18,689,969.40/x - Step 3: Cross multiply
36,873,124.80x = 55,343,148.30 × 18,689,969.40 - Step 4: Simplify right side
36,873,124.80x = 1,034,361,748,226,661.88 - Step 5: Solve for x
x = 1,034,361,748,226,661.88/36,873,124.80 - Step 6: Final answer
x = 28,051,914.61
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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.