Finding the Fourth Proportional to 27,732,618.74, 38,270,985.00 and 15,509,475.74
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Solution
The fourth proportional to 27,732,618.74, 38,270,985.00 and 15,509,475.74 is: 21,403,060.38
Step by Step Solution
- Step 1: Write the proportion equation
27,732,618.74 : 38,270,985.00 = 15,509,475.74 : x - Step 2: Convert to fraction form
27,732,618.74/38,270,985.00 = 15,509,475.74/x - Step 3: Cross multiply
27,732,618.74x = 38,270,985.00 × 15,509,475.74 - Step 4: Simplify right side
27,732,618.74x = 593,562,913,440,920.88 - Step 5: Solve for x
x = 593,562,913,440,920.88/27,732,618.74 - Step 6: Final answer
x = 21,403,060.38
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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.