Finding the Fourth Proportional to 19,652,486.48, 27,120,068.03 and 10,711,673.72
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Solution
The fourth proportional to 19,652,486.48, 27,120,068.03 and 10,711,673.72 is: 14,781,911.70
Step by Step Solution
- Step 1: Write the proportion equation
19,652,486.48 : 27,120,068.03 = 10,711,673.72 : x - Step 2: Convert to fraction form
19,652,486.48/27,120,068.03 = 10,711,673.72/x - Step 3: Cross multiply
19,652,486.48x = 27,120,068.03 × 10,711,673.72 - Step 4: Simplify right side
19,652,486.48x = 290,501,319,812,404.44 - Step 5: Solve for x
x = 290,501,319,812,404.44/19,652,486.48 - Step 6: Final answer
x = 14,781,911.70
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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.