Finding the Fourth Proportional to 33,427,558.64, 46,113,053.66 and 21,831,909.68
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Solution
The fourth proportional to 33,427,558.64, 46,113,053.66 and 21,831,909.68 is: 30,116,947.32
Step by Step Solution
- Step 1: Write the proportion equation
33,427,558.64 : 46,113,053.66 = 21,831,909.68 : x - Step 2: Convert to fraction form
33,427,558.64/46,113,053.66 = 21,831,909.68/x - Step 3: Cross multiply
33,427,558.64x = 46,113,053.66 × 21,831,909.68 - Step 4: Simplify right side
33,427,558.64x = 1,006,736,022,574,113.38 - Step 5: Solve for x
x = 1,006,736,022,574,113.38/33,427,558.64 - Step 6: Final answer
x = 30,116,947.32
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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.