Finding the Fourth Proportional to 12,746,871.81, 19,125,959.36 and 6,680,161.35
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Solution
The fourth proportional to 12,746,871.81, 19,125,959.36 and 6,680,161.35 is: 10,023,203.84
Step by Step Solution
- Step 1: Write the proportion equation
12,746,871.81 : 19,125,959.36 = 6,680,161.35 : x - Step 2: Convert to fraction form
12,746,871.81/19,125,959.36 = 6,680,161.35/x - Step 3: Cross multiply
12,746,871.81x = 19,125,959.36 × 6,680,161.35 - Step 4: Simplify right side
12,746,871.81x = 127,764,494,464,941.92 - Step 5: Solve for x
x = 127,764,494,464,941.92/12,746,871.81 - Step 6: Final answer
x = 10,023,203.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.