Finding the Fourth Proportional to 13,919,955.14, 19,209,974.93 and 8,039,480.08
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Solution
The fourth proportional to 13,919,955.14, 19,209,974.93 and 8,039,480.08 is: 11,094,734.81
Step by Step Solution
- Step 1: Write the proportion equation
13,919,955.14 : 19,209,974.93 = 8,039,480.08 : x - Step 2: Convert to fraction form
13,919,955.14/19,209,974.93 = 8,039,480.08/x - Step 3: Cross multiply
13,919,955.14x = 19,209,974.93 × 8,039,480.08 - Step 4: Simplify right side
13,919,955.14x = 154,438,210,787,034.41 - Step 5: Solve for x
x = 154,438,210,787,034.41/13,919,955.14 - Step 6: Final answer
x = 11,094,734.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.