Finding the Fourth Proportional to 48,871,755.60, 67,439,089.56 and 28,246,537.68
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Solution
The fourth proportional to 48,871,755.60, 67,439,089.56 and 28,246,537.68 is: 38,977,948.73
Step by Step Solution
- Step 1: Write the proportion equation
48,871,755.60 : 67,439,089.56 = 28,246,537.68 : x - Step 2: Convert to fraction form
48,871,755.60/67,439,089.56 = 28,246,537.68/x - Step 3: Cross multiply
48,871,755.60x = 67,439,089.56 × 28,246,537.68 - Step 4: Simplify right side
48,871,755.60x = 1,904,920,784,361,434.75 - Step 5: Solve for x
x = 1,904,920,784,361,434.75/48,871,755.60 - Step 6: Final answer
x = 38,977,948.73
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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.