Finding the Fourth Proportional to 39,558,576.30, 59,348,362.05 and 13,996,920.30
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Solution
The fourth proportional to 39,558,576.30, 59,348,362.05 and 13,996,920.30 is: 20,999,094.79
Step by Step Solution
- Step 1: Write the proportion equation
39,558,576.30 : 59,348,362.05 = 13,996,920.30 : x - Step 2: Convert to fraction form
39,558,576.30/59,348,362.05 = 13,996,920.30/x - Step 3: Cross multiply
39,558,576.30x = 59,348,362.05 × 13,996,920.30 - Step 4: Simplify right side
39,558,576.30x = 830,694,293,549,394.62 - Step 5: Solve for x
x = 830,694,293,549,394.62/39,558,576.30 - Step 6: Final answer
x = 20,999,094.79
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1.5x scale
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.