Finding the Fourth Proportional to 12,888,554.68, 19,336,867.01 and 4,258,718.63
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Solution
The fourth proportional to 12,888,554.68, 19,336,867.01 and 4,258,718.63 is: 6,389,411.21
Step by Step Solution
- Step 1: Write the proportion equation
12,888,554.68 : 19,336,867.01 = 4,258,718.63 : x - Step 2: Convert to fraction form
12,888,554.68/19,336,867.01 = 4,258,718.63/x - Step 3: Cross multiply
12,888,554.68x = 19,336,867.01 × 4,258,718.63 - Step 4: Simplify right side
12,888,554.68x = 82,350,275,781,319.41 - Step 5: Solve for x
x = 82,350,275,781,319.41/12,888,554.68 - Step 6: Final answer
x = 6,389,411.21
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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.