Finding the Fourth Proportional to 38,437,775.55, 53,044,124.94 and 21,034,116.18
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Solution
The fourth proportional to 38,437,775.55, 53,044,124.94 and 21,034,116.18 is: 29,027,077.42
Step by Step Solution
- Step 1: Write the proportion equation
38,437,775.55 : 53,044,124.94 = 21,034,116.18 : x - Step 2: Convert to fraction form
38,437,775.55/53,044,124.94 = 21,034,116.18/x - Step 3: Cross multiply
38,437,775.55x = 53,044,124.94 × 21,034,116.18 - Step 4: Simplify right side
38,437,775.55x = 1,115,736,286,654,395.50 - Step 5: Solve for x
x = 1,115,736,286,654,395.50/38,437,775.55 - Step 6: Final answer
x = 29,027,077.42
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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.