Finding the Fourth Proportional to 57,939,927.37, 86,896,408.09 and 21,565,448.13
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Solution
The fourth proportional to 57,939,927.37, 86,896,408.09 and 21,565,448.13 is: 32,343,153.78
Step by Step Solution
- Step 1: Write the proportion equation
57,939,927.37 : 86,896,408.09 = 21,565,448.13 : x - Step 2: Convert to fraction form
57,939,927.37/86,896,408.09 = 21,565,448.13/x - Step 3: Cross multiply
57,939,927.37x = 86,896,408.09 × 21,565,448.13 - Step 4: Simplify right side
57,939,927.37x = 1,873,959,981,130,966.50 - Step 5: Solve for x
x = 1,873,959,981,130,966.50/57,939,927.37 - Step 6: Final answer
x = 32,343,153.78
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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.