Finding the Fourth Proportional to 19,265,536.62, 26,594,917.79 and 13,487,001.48
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Solution
The fourth proportional to 19,265,536.62, 26,594,917.79 and 13,487,001.48 is: 18,617,996.61
Step by Step Solution
- Step 1: Write the proportion equation
19,265,536.62 : 26,594,917.79 = 13,487,001.48 : x - Step 2: Convert to fraction form
19,265,536.62/26,594,917.79 = 13,487,001.48/x - Step 3: Cross multiply
19,265,536.62x = 26,594,917.79 × 13,487,001.48 - Step 4: Simplify right side
19,265,536.62x = 358,685,695,526,773.31 - Step 5: Solve for x
x = 358,685,695,526,773.31/19,265,536.62 - Step 6: Final answer
x = 18,617,996.61
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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.