Finding the Fourth Proportional to 48,273,248.89, 72,408,269.53 and 20,979,569.08
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Solution
The fourth proportional to 48,273,248.89, 72,408,269.53 and 20,979,569.08 is: 31,468,656.61
Step by Step Solution
- Step 1: Write the proportion equation
48,273,248.89 : 72,408,269.53 = 20,979,569.08 : x - Step 2: Convert to fraction form
48,273,248.89/72,408,269.53 = 20,979,569.08/x - Step 3: Cross multiply
48,273,248.89x = 72,408,269.53 × 20,979,569.08 - Step 4: Simplify right side
48,273,248.89x = 1,519,094,292,567,894 - Step 5: Solve for x
x = 1,519,094,292,567,894/48,273,248.89 - Step 6: Final answer
x = 31,468,656.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.