Finding the Fourth Proportional to 14,486,854.18, 19,992,970.72 and 8,293,843.32
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Solution
The fourth proportional to 14,486,854.18, 19,992,970.72 and 8,293,843.32 is: 11,446,140.38
Step by Step Solution
- Step 1: Write the proportion equation
14,486,854.18 : 19,992,970.72 = 8,293,843.32 : x - Step 2: Convert to fraction form
14,486,854.18/19,992,970.72 = 8,293,843.32/x - Step 3: Cross multiply
14,486,854.18x = 19,992,970.72 × 8,293,843.32 - Step 4: Simplify right side
14,486,854.18x = 165,818,566,653,027.59 - Step 5: Solve for x
x = 165,818,566,653,027.59/14,486,854.18 - Step 6: Final answer
x = 11,446,140.38
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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.