Finding the Fourth Proportional to 16,251,813.64, 22,429,107.66 and 9,283,534.12
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Solution
The fourth proportional to 16,251,813.64, 22,429,107.66 and 9,283,534.12 is: 12,812,193.82
Step by Step Solution
- Step 1: Write the proportion equation
16,251,813.64 : 22,429,107.66 = 9,283,534.12 : x - Step 2: Convert to fraction form
16,251,813.64/22,429,107.66 = 9,283,534.12/x - Step 3: Cross multiply
16,251,813.64x = 22,429,107.66 × 9,283,534.12 - Step 4: Simplify right side
16,251,813.64x = 208,221,386,242,763.34 - Step 5: Solve for x
x = 208,221,386,242,763.34/16,251,813.64 - Step 6: Final answer
x = 12,812,193.82
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1.5x scale
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.