Finding the Fourth Proportional to 51,915,746.88, 77,867,671.68 and 13,580,961.12
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Solution
The fourth proportional to 51,915,746.88, 77,867,671.68 and 13,580,961.12 is: 20,369,885.54
Step by Step Solution
- Step 1: Write the proportion equation
51,915,746.88 : 77,867,671.68 = 13,580,961.12 : x - Step 2: Convert to fraction form
51,915,746.88/77,867,671.68 = 13,580,961.12/x - Step 3: Cross multiply
51,915,746.88x = 77,867,671.68 × 13,580,961.12 - Step 4: Simplify right side
51,915,746.88x = 1,057,517,821,591,005.12 - Step 5: Solve for x
x = 1,057,517,821,591,005.12/51,915,746.88 - Step 6: Final answer
x = 20,369,885.54
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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.