Finding the Fourth Proportional to 19,852,739.75, 27,400,031.10 and 16,539,780.23
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Solution
The fourth proportional to 19,852,739.75, 27,400,031.10 and 16,539,780.23 is: 22,827,604.57
Step by Step Solution
- Step 1: Write the proportion equation
19,852,739.75 : 27,400,031.10 = 16,539,780.23 : x - Step 2: Convert to fraction form
19,852,739.75/27,400,031.10 = 16,539,780.23/x - Step 3: Cross multiply
19,852,739.75x = 27,400,031.10 × 16,539,780.23 - Step 4: Simplify right side
19,852,739.75x = 453,190,492,612,030.75 - Step 5: Solve for x
x = 453,190,492,612,030.75/19,852,739.75 - Step 6: Final answer
x = 22,827,604.57
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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.