Finding the Fourth Proportional to 39,115,798.30, 58,671,073.05 and 10,361,316.70
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Solution
The fourth proportional to 39,115,798.30, 58,671,073.05 and 10,361,316.70 is: 15,541,279.88
Step by Step Solution
- Step 1: Write the proportion equation
39,115,798.30 : 58,671,073.05 = 10,361,316.70 : x - Step 2: Convert to fraction form
39,115,798.30/58,671,073.05 = 10,361,316.70/x - Step 3: Cross multiply
39,115,798.30x = 58,671,073.05 × 10,361,316.70 - Step 4: Simplify right side
39,115,798.30x = 607,909,568,999,884.88 - Step 5: Solve for x
x = 607,909,568,999,884.88/39,115,798.30 - Step 6: Final answer
x = 15,541,279.88
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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.