Finding the Fourth Proportional to 23,709,911.28, 32,719,472.28 and 12,844,869.36
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Solution
The fourth proportional to 23,709,911.28, 32,719,472.28 and 12,844,869.36 is: 17,725,808.50
Step by Step Solution
- Step 1: Write the proportion equation
23,709,911.28 : 32,719,472.28 = 12,844,869.36 : x - Step 2: Convert to fraction form
23,709,911.28/32,719,472.28 = 12,844,869.36/x - Step 3: Cross multiply
23,709,911.28x = 32,719,472.28 × 12,844,869.36 - Step 4: Simplify right side
23,709,911.28x = 420,277,346,964,741.31 - Step 5: Solve for x
x = 420,277,346,964,741.31/23,709,911.28 - Step 6: Final answer
x = 17,725,808.50
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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.