Finding the Fourth Proportional to 21,241,089.36, 31,855,037.40 and 7,592,343.12
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Solution
The fourth proportional to 21,241,089.36, 31,855,037.40 and 7,592,343.12 is: 11,386,156.80
Step by Step Solution
- Step 1: Write the proportion equation
21,241,089.36 : 31,855,037.40 = 7,592,343.12 : x - Step 2: Convert to fraction form
21,241,089.36/31,855,037.40 = 7,592,343.12/x - Step 3: Cross multiply
21,241,089.36x = 31,855,037.40 × 7,592,343.12 - Step 4: Simplify right side
21,241,089.36x = 241,854,374,041,232.69 - Step 5: Solve for x
x = 241,854,374,041,232.69/21,241,089.36 - Step 6: Final answer
x = 11,386,156.80
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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.