Finding the Fourth Proportional to 13,153,031.19, 19,590,851.87 and 12,562,882.68
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Solution
The fourth proportional to 13,153,031.19, 19,590,851.87 and 12,562,882.68 is: 18,711,852.05
Step by Step Solution
- Step 1: Write the proportion equation
13,153,031.19 : 19,590,851.87 = 12,562,882.68 : x - Step 2: Convert to fraction form
13,153,031.19/19,590,851.87 = 12,562,882.68/x - Step 3: Cross multiply
13,153,031.19x = 19,590,851.87 × 12,562,882.68 - Step 4: Simplify right side
13,153,031.19x = 246,117,573,581,254.16 - Step 5: Solve for x
x = 246,117,573,581,254.16/13,153,031.19 - Step 6: Final answer
x = 18,711,852.05
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.