Finding the Fourth Proportional to 19,598,848.98, 29,379,115.35 and 8,818,863.54
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Solution
The fourth proportional to 19,598,848.98, 29,379,115.35 and 8,818,863.54 is: 13,219,674.76
Step by Step Solution
- Step 1: Write the proportion equation
19,598,848.98 : 29,379,115.35 = 8,818,863.54 : x - Step 2: Convert to fraction form
19,598,848.98/29,379,115.35 = 8,818,863.54/x - Step 3: Cross multiply
19,598,848.98x = 29,379,115.35 × 8,818,863.54 - Step 4: Simplify right side
19,598,848.98x = 259,090,409,197,569.31 - Step 5: Solve for x
x = 259,090,409,197,569.31/19,598,848.98 - Step 6: Final answer
x = 13,219,674.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.