Finding the Fourth Proportional to 17,621,125.50, 26,432,962.17 and 7,375,681.14
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Solution
The fourth proportional to 17,621,125.50, 26,432,962.17 and 7,375,681.14 is: 11,064,054.94
Step by Step Solution
- Step 1: Write the proportion equation
17,621,125.50 : 26,432,962.17 = 7,375,681.14 : x - Step 2: Convert to fraction form
17,621,125.50/26,432,962.17 = 7,375,681.14/x - Step 3: Cross multiply
17,621,125.50x = 26,432,962.17 × 7,375,681.14 - Step 4: Simplify right side
17,621,125.50x = 194,961,100,551,602.47 - Step 5: Solve for x
x = 194,961,100,551,602.47/17,621,125.50 - Step 6: Final answer
x = 11,064,054.94
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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.