Finding the Fourth Proportional to 37,038,782.44, 51,108,672.56 and 21,358,386.08
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Solution
The fourth proportional to 37,038,782.44, 51,108,672.56 and 21,358,386.08 is: 29,471,777.65
Step by Step Solution
- Step 1: Write the proportion equation
37,038,782.44 : 51,108,672.56 = 21,358,386.08 : x - Step 2: Convert to fraction form
37,038,782.44/51,108,672.56 = 21,358,386.08/x - Step 3: Cross multiply
37,038,782.44x = 51,108,672.56 × 21,358,386.08 - Step 4: Simplify right side
37,038,782.44x = 1,091,598,760,572,781.88 - Step 5: Solve for x
x = 1,091,598,760,572,781.88/37,038,782.44 - Step 6: Final answer
x = 29,471,777.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.