Finding the Fourth Proportional to 13,169,177.06, 19,852,471.25 and 12,291,315.26
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Solution
The fourth proportional to 13,169,177.06, 19,852,471.25 and 12,291,315.26 is: 18,529,098.80
Step by Step Solution
- Step 1: Write the proportion equation
13,169,177.06 : 19,852,471.25 = 12,291,315.26 : x - Step 2: Convert to fraction form
13,169,177.06/19,852,471.25 = 12,291,315.26/x - Step 3: Cross multiply
13,169,177.06x = 19,852,471.25 × 12,291,315.26 - Step 4: Simplify right side
13,169,177.06x = 244,012,982,755,302.25 - Step 5: Solve for x
x = 244,012,982,755,302.25/13,169,177.06 - Step 6: Final answer
x = 18,529,098.80
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.