Finding the Fourth Proportional to 39,740,765.65, 59,611,153.09 and 12,449,185.13
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Solution
The fourth proportional to 39,740,765.65, 59,611,153.09 and 12,449,185.13 is: 18,673,779.14
Step by Step Solution
- Step 1: Write the proportion equation
39,740,765.65 : 59,611,153.09 = 12,449,185.13 : x - Step 2: Convert to fraction form
39,740,765.65/59,611,153.09 = 12,449,185.13/x - Step 3: Cross multiply
39,740,765.65x = 59,611,153.09 × 12,449,185.13 - Step 4: Simplify right side
39,740,765.65x = 742,110,280,652,595.88 - Step 5: Solve for x
x = 742,110,280,652,595.88/39,740,765.65 - Step 6: Final answer
x = 18,673,779.14
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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.