Finding the Fourth Proportional to 10,290,548.40, 14,201,829.72 and 5,708,346
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Solution
The fourth proportional to 10,290,548.40, 14,201,829.72 and 5,708,346 is: 7,878,001.71
Step by Step Solution
- Step 1: Write the proportion equation
10,290,548.40 : 14,201,829.72 = 5,708,346 : x - Step 2: Convert to fraction form
10,290,548.40/14,201,829.72 = 5,708,346/x - Step 3: Cross multiply
10,290,548.40x = 14,201,829.72 × 5,708,346 - Step 4: Simplify right side
10,290,548.40x = 81,068,957,874,843.12 - Step 5: Solve for x
x = 81,068,957,874,843.12/10,290,548.40 - Step 6: Final answer
x = 7,878,001.71
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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.