Finding the Fourth Proportional to 11,485,956.94, 15,850,726.88 and 6,329,503.02
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Solution
The fourth proportional to 11,485,956.94, 15,850,726.88 and 6,329,503.02 is: 8,734,772.75
Step by Step Solution
- Step 1: Write the proportion equation
11,485,956.94 : 15,850,726.88 = 6,329,503.02 : x - Step 2: Convert to fraction form
11,485,956.94/15,850,726.88 = 6,329,503.02/x - Step 3: Cross multiply
11,485,956.94x = 15,850,726.88 × 6,329,503.02 - Step 4: Simplify right side
11,485,956.94x = 100,327,223,656,155.17 - Step 5: Solve for x
x = 100,327,223,656,155.17/11,485,956.94 - Step 6: Final answer
x = 8,734,772.75
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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.