Finding the Fourth Proportional to 19,385,106.74, 26,758,296.96 and 17,316,527.99
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Solution
The fourth proportional to 19,385,106.74, 26,758,296.96 and 17,316,527.99 is: 23,902,927.37
Step by Step Solution
- Step 1: Write the proportion equation
19,385,106.74 : 26,758,296.96 = 17,316,527.99 : x - Step 2: Convert to fraction form
19,385,106.74/26,758,296.96 = 17,316,527.99/x - Step 3: Cross multiply
19,385,106.74x = 26,758,296.96 × 17,316,527.99 - Step 4: Simplify right side
19,385,106.74x = 463,360,798,272,571.88 - Step 5: Solve for x
x = 463,360,798,272,571.88/19,385,106.74 - Step 6: Final answer
x = 23,902,927.37
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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.