Finding the Fourth Proportional to 9,593,602.10, 13,239,205.47 and 5,242,689.12
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Solution
The fourth proportional to 9,593,602.10, 13,239,205.47 and 5,242,689.12 is: 7,234,929.88
Step by Step Solution
- Step 1: Write the proportion equation
9,593,602.10 : 13,239,205.47 = 5,242,689.12 : x - Step 2: Convert to fraction form
9,593,602.10/13,239,205.47 = 5,242,689.12/x - Step 3: Cross multiply
9,593,602.10x = 13,239,205.47 × 5,242,689.12 - Step 4: Simplify right side
9,593,602.10x = 69,409,038,475,013.49 - Step 5: Solve for x
x = 69,409,038,475,013.49/9,593,602.10 - Step 6: Final answer
x = 7,234,929.88
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Double scale
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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.