Finding the Fourth Proportional to 14,317,486, 19,758,133.92 and 7,878,958
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Solution
The fourth proportional to 14,317,486, 19,758,133.92 and 7,878,958 is: 10,872,963.82
Step by Step Solution
- Step 1: Write the proportion equation
14,317,486 : 19,758,133.92 = 7,878,958 : x - Step 2: Convert to fraction form
14,317,486/19,758,133.92 = 7,878,958/x - Step 3: Cross multiply
14,317,486x = 19,758,133.92 × 7,878,958 - Step 4: Simplify right side
14,317,486x = 155,673,507,314,055.38 - Step 5: Solve for x
x = 155,673,507,314,055.38/14,317,486 - Step 6: Final answer
x = 10,872,963.82
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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.