Finding the Fourth Proportional to 39,132,248.76, 58,434,853.68 and 31,958,013.96
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Solution
The fourth proportional to 39,132,248.76, 58,434,853.68 and 31,958,013.96 is: 47,721,813.31
Step by Step Solution
- Step 1: Write the proportion equation
39,132,248.76 : 58,434,853.68 = 31,958,013.96 : x - Step 2: Convert to fraction form
39,132,248.76/58,434,853.68 = 31,958,013.96/x - Step 3: Cross multiply
39,132,248.76x = 58,434,853.68 × 31,958,013.96 - Step 4: Simplify right side
39,132,248.76x = 1,867,461,869,655,997.50 - Step 5: Solve for x
x = 1,867,461,869,655,997.50/39,132,248.76 - Step 6: Final answer
x = 47,721,813.31
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.