Finding the Fourth Proportional to 28,511,923.19, 39,346,214.74 and 16,124,449.01
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Solution
The fourth proportional to 28,511,923.19, 39,346,214.74 and 16,124,449.01 is: 22,251,604.32
Step by Step Solution
- Step 1: Write the proportion equation
28,511,923.19 : 39,346,214.74 = 16,124,449.01 : x - Step 2: Convert to fraction form
28,511,923.19/39,346,214.74 = 16,124,449.01/x - Step 3: Cross multiply
28,511,923.19x = 39,346,214.74 × 16,124,449.01 - Step 4: Simplify right side
28,511,923.19x = 634,436,033,074,598.25 - Step 5: Solve for x
x = 634,436,033,074,598.25/28,511,923.19 - Step 6: Final answer
x = 22,251,604.32
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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.