Finding the Fourth Proportional to 47,279,926.78, 65,243,487.06 and 27,432,154.56
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Solution
The fourth proportional to 47,279,926.78, 65,243,487.06 and 27,432,154.56 is: 37,854,741.81
Step by Step Solution
- Step 1: Write the proportion equation
47,279,926.78 : 65,243,487.06 = 27,432,154.56 : x - Step 2: Convert to fraction form
47,279,926.78/65,243,487.06 = 27,432,154.56/x - Step 3: Cross multiply
47,279,926.78x = 65,243,487.06 × 27,432,154.56 - Step 4: Simplify right side
47,279,926.78x = 1,789,769,421,063,280 - Step 5: Solve for x
x = 1,789,769,421,063,280/47,279,926.78 - Step 6: Final answer
x = 37,854,741.81
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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.