Finding the Fourth Proportional to 27,710,005.62, 38,239,712.01 and 15,486,862.62
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Solution
The fourth proportional to 27,710,005.62, 38,239,712.01 and 15,486,862.62 is: 21,371,816.90
Step by Step Solution
- Step 1: Write the proportion equation
27,710,005.62 : 38,239,712.01 = 15,486,862.62 : x - Step 2: Convert to fraction form
27,710,005.62/38,239,712.01 = 15,486,862.62/x - Step 3: Cross multiply
27,710,005.62x = 38,239,712.01 × 15,486,862.62 - Step 4: Simplify right side
27,710,005.62x = 592,213,166,527,234 - Step 5: Solve for x
x = 592,213,166,527,234/27,710,005.62 - Step 6: Final answer
x = 21,371,816.90
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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.