Finding the Fourth Proportional to 19,706,276.60, 27,207,457.86 and 17,637,709.94
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Solution
The fourth proportional to 19,706,276.60, 27,207,457.86 and 17,637,709.94 is: 24,351,492.66
Step by Step Solution
- Step 1: Write the proportion equation
19,706,276.60 : 27,207,457.86 = 17,637,709.94 : x - Step 2: Convert to fraction form
19,706,276.60/27,207,457.86 = 17,637,709.94/x - Step 3: Cross multiply
19,706,276.60x = 27,207,457.86 × 17,637,709.94 - Step 4: Simplify right side
19,706,276.60x = 479,877,249,939,453.12 - Step 5: Solve for x
x = 479,877,249,939,453.12/19,706,276.60 - Step 6: Final answer
x = 24,351,492.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.