Finding the Fourth Proportional to 7,914,285.81, 10,913,041.62 and 5,155,857.99
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Solution
The fourth proportional to 7,914,285.81, 10,913,041.62 and 5,155,857.99 is: 7,109,434.03
Step by Step Solution
- Step 1: Write the proportion equation
7,914,285.81 : 10,913,041.62 = 5,155,857.99 : x - Step 2: Convert to fraction form
7,914,285.81/10,913,041.62 = 5,155,857.99/x - Step 3: Cross multiply
7,914,285.81x = 10,913,041.62 × 5,155,857.99 - Step 4: Simplify right side
7,914,285.81x = 56,266,092,831,679.54 - Step 5: Solve for x
x = 56,266,092,831,679.54/7,914,285.81 - Step 6: Final answer
x = 7,109,434.03
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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.