Finding the Fourth Proportional to 17,468,886.40, 26,197,108.80 and 7,888,854.40
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Solution
The fourth proportional to 17,468,886.40, 26,197,108.80 and 7,888,854.40 is: 11,830,472.32
Step by Step Solution
- Step 1: Write the proportion equation
17,468,886.40 : 26,197,108.80 = 7,888,854.40 : x - Step 2: Convert to fraction form
17,468,886.40/26,197,108.80 = 7,888,854.40/x - Step 3: Cross multiply
17,468,886.40x = 26,197,108.80 × 7,888,854.40 - Step 4: Simplify right side
17,468,886.40x = 206,665,177,024,158.75 - Step 5: Solve for x
x = 206,665,177,024,158.75/17,468,886.40 - Step 6: Final answer
x = 11,830,472.32
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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.