Finding the Fourth Proportional to 14,259,831.88, 19,678,434.06 and 7,733,605.36
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Solution
The fourth proportional to 14,259,831.88, 19,678,434.06 and 7,733,605.36 is: 10,672,302.76
Step by Step Solution
- Step 1: Write the proportion equation
14,259,831.88 : 19,678,434.06 = 7,733,605.36 : x - Step 2: Convert to fraction form
14,259,831.88/19,678,434.06 = 7,733,605.36/x - Step 3: Cross multiply
14,259,831.88x = 19,678,434.06 × 7,733,605.36 - Step 4: Simplify right side
14,259,831.88x = 152,185,243,122,822.56 - Step 5: Solve for x
x = 152,185,243,122,822.56/14,259,831.88 - Step 6: Final answer
x = 10,672,302.76
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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.