Finding the Fourth Proportional to 19,808,911.76, 27,326,237.64 and 12,937,416.08
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Solution
The fourth proportional to 19,808,911.76, 27,326,237.64 and 12,937,416.08 is: 17,847,063.51
Step by Step Solution
- Step 1: Write the proportion equation
19,808,911.76 : 27,326,237.64 = 12,937,416.08 : x - Step 2: Convert to fraction form
19,808,911.76/27,326,237.64 = 12,937,416.08/x - Step 3: Cross multiply
19,808,911.76x = 27,326,237.64 × 12,937,416.08 - Step 4: Simplify right side
19,808,911.76x = 353,530,906,249,637.25 - Step 5: Solve for x
x = 353,530,906,249,637.25/19,808,911.76 - Step 6: Final answer
x = 17,847,063.51
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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.