Finding the Fourth Proportional to 19,706,277.60, 27,207,459.24 and 17,637,710.94
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Solution
The fourth proportional to 19,706,277.60, 27,207,459.24 and 17,637,710.94 is: 24,351,494.04
Step by Step Solution
- Step 1: Write the proportion equation
19,706,277.60 : 27,207,459.24 = 17,637,710.94 : x - Step 2: Convert to fraction form
19,706,277.60/27,207,459.24 = 17,637,710.94/x - Step 3: Cross multiply
19,706,277.60x = 27,207,459.24 × 17,637,710.94 - Step 4: Simplify right side
19,706,277.60x = 479,877,301,486,952.06 - Step 5: Solve for x
x = 479,877,301,486,952.06/19,706,277.60 - Step 6: Final answer
x = 24,351,494.04
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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.