Finding the Fourth Proportional to 8,901,243.29, 12,283,058.30 and 4,980,479.00
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Solution
The fourth proportional to 8,901,243.29, 12,283,058.30 and 4,980,479.00 is: 6,872,693.15
Step by Step Solution
- Step 1: Write the proportion equation
8,901,243.29 : 12,283,058.30 = 4,980,479.00 : x - Step 2: Convert to fraction form
8,901,243.29/12,283,058.30 = 4,980,479.00/x - Step 3: Cross multiply
8,901,243.29x = 12,283,058.30 × 4,980,479.00 - Step 4: Simplify right side
8,901,243.29x = 61,175,513,832,608.02 - Step 5: Solve for x
x = 61,175,513,832,608.02/8,901,243.29 - Step 6: Final answer
x = 6,872,693.15
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1.5x scale
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.