Finding the Fourth Proportional to 7,759,829.53, 10,708,567.71 and 4,498,534.81
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Solution
The fourth proportional to 7,759,829.53, 10,708,567.71 and 4,498,534.81 is: 6,207,979.75
Step by Step Solution
- Step 1: Write the proportion equation
7,759,829.53 : 10,708,567.71 = 4,498,534.81 : x - Step 2: Convert to fraction form
7,759,829.53/10,708,567.71 = 4,498,534.81/x - Step 3: Cross multiply
7,759,829.53x = 10,708,567.71 × 4,498,534.81 - Step 4: Simplify right side
7,759,829.53x = 48,172,864,608,676.98 - Step 5: Solve for x
x = 48,172,864,608,676.98/7,759,829.53 - Step 6: Final answer
x = 6,207,979.75
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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.