Finding the Fourth Proportional to 19,038,055.84, 28,568,430.71 and 6,908,465.54
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Solution
The fourth proportional to 19,038,055.84, 28,568,430.71 and 6,908,465.54 is: 10,366,815.85
Step by Step Solution
- Step 1: Write the proportion equation
19,038,055.84 : 28,568,430.71 = 6,908,465.54 : x - Step 2: Convert to fraction form
19,038,055.84/28,568,430.71 = 6,908,465.54/x - Step 3: Cross multiply
19,038,055.84x = 28,568,430.71 × 6,908,465.54 - Step 4: Simplify right side
19,038,055.84x = 197,364,019,091,912.75 - Step 5: Solve for x
x = 197,364,019,091,912.75/19,038,055.84 - Step 6: Final answer
x = 10,366,815.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.