Finding the Fourth Proportional to 10,413,476.64, 15,619,748.40 and 2,840,417.28
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Solution
The fourth proportional to 10,413,476.64, 15,619,748.40 and 2,840,417.28 is: 4,260,498.66
Step by Step Solution
- Step 1: Write the proportion equation
10,413,476.64 : 15,619,748.40 = 2,840,417.28 : x - Step 2: Convert to fraction form
10,413,476.64/15,619,748.40 = 2,840,417.28/x - Step 3: Cross multiply
10,413,476.64x = 15,619,748.40 × 2,840,417.28 - Step 4: Simplify right side
10,413,476.64x = 44,366,603,264,612.35 - Step 5: Solve for x
x = 44,366,603,264,612.35/10,413,476.64 - Step 6: Final answer
x = 4,260,498.66
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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.