Finding the Fourth Proportional to 37,357,988.46, 51,555,306.05 and 21,675,828.75
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Solution
The fourth proportional to 37,357,988.46, 51,555,306.05 and 21,675,828.75 is: 29,913,387.50
Step by Step Solution
- Step 1: Write the proportion equation
37,357,988.46 : 51,555,306.05 = 21,675,828.75 : x - Step 2: Convert to fraction form
37,357,988.46/51,555,306.05 = 21,675,828.75/x - Step 3: Cross multiply
37,357,988.46x = 51,555,306.05 × 21,675,828.75 - Step 4: Simplify right side
37,357,988.46x = 1,117,503,984,985,259.88 - Step 5: Solve for x
x = 1,117,503,984,985,259.88/37,357,988.46 - Step 6: Final answer
x = 29,913,387.50
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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.