Finding the Fourth Proportional to 13,292,937.60, 19,939,114.80 and 3,708,045.60
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Solution
The fourth proportional to 13,292,937.60, 19,939,114.80 and 3,708,045.60 is: 5,561,987.06
Step by Step Solution
- Step 1: Write the proportion equation
13,292,937.60 : 19,939,114.80 = 3,708,045.60 : x - Step 2: Convert to fraction form
13,292,937.60/19,939,114.80 = 3,708,045.60/x - Step 3: Cross multiply
13,292,937.60x = 19,939,114.80 × 3,708,045.60 - Step 4: Simplify right side
13,292,937.60x = 73,935,146,902,034.89 - Step 5: Solve for x
x = 73,935,146,902,034.89/13,292,937.60 - Step 6: Final answer
x = 5,561,987.06
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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.