Finding the Fourth Proportional to 12,747,508.98, 19,124,246.70 and 5,071,588.08
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Solution
The fourth proportional to 12,747,508.98, 19,124,246.70 and 5,071,588.08 is: 7,608,569.00
Step by Step Solution
- Step 1: Write the proportion equation
12,747,508.98 : 19,124,246.70 = 5,071,588.08 : x - Step 2: Convert to fraction form
12,747,508.98/19,124,246.70 = 5,071,588.08/x - Step 3: Cross multiply
12,747,508.98x = 19,124,246.70 × 5,071,588.08 - Step 4: Simplify right side
12,747,508.98x = 96,990,301,602,699.33 - Step 5: Solve for x
x = 96,990,301,602,699.33/12,747,508.98 - Step 6: Final answer
x = 7,608,569.00
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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.