Finding the Fourth Proportional to 14,026,385.93, 19,356,223.31 and 7,831,527.99
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Solution
The fourth proportional to 14,026,385.93, 19,356,223.31 and 7,831,527.99 is: 10,807,402.95
Step by Step Solution
- Step 1: Write the proportion equation
14,026,385.93 : 19,356,223.31 = 7,831,527.99 : x - Step 2: Convert to fraction form
14,026,385.93/19,356,223.31 = 7,831,527.99/x - Step 3: Cross multiply
14,026,385.93x = 19,356,223.31 × 7,831,527.99 - Step 4: Simplify right side
14,026,385.93x = 151,588,804,593,797.81 - Step 5: Solve for x
x = 151,588,804,593,797.81/14,026,385.93 - Step 6: Final answer
x = 10,807,402.95
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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.