Finding the Fourth Proportional to 39,031,681.38, 58,534,750.68 and 18,275,695.44
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Solution
The fourth proportional to 39,031,681.38, 58,534,750.68 and 18,275,695.44 is: 27,407,563.25
Step by Step Solution
- Step 1: Write the proportion equation
39,031,681.38 : 58,534,750.68 = 18,275,695.44 : x - Step 2: Convert to fraction form
39,031,681.38/58,534,750.68 = 18,275,695.44/x - Step 3: Cross multiply
39,031,681.38x = 58,534,750.68 × 18,275,695.44 - Step 4: Simplify right side
39,031,681.38x = 1,069,763,276,084,013 - Step 5: Solve for x
x = 1,069,763,276,084,013/39,031,681.38 - Step 6: Final answer
x = 27,407,563.25
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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.