Finding the Fourth Proportional to 10,368,151.80, 15,533,565.30 and 8,875,159.80
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Solution
The fourth proportional to 10,368,151.80, 15,533,565.30 and 8,875,159.80 is: 13,296,764.65
Step by Step Solution
- Step 1: Write the proportion equation
10,368,151.80 : 15,533,565.30 = 8,875,159.80 : x - Step 2: Convert to fraction form
10,368,151.80/15,533,565.30 = 8,875,159.80/x - Step 3: Cross multiply
10,368,151.80x = 15,533,565.30 × 8,875,159.80 - Step 4: Simplify right side
10,368,151.80x = 137,862,874,301,234.95 - Step 5: Solve for x
x = 137,862,874,301,234.95/10,368,151.80 - Step 6: Final answer
x = 13,296,764.65
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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.