Finding the Fourth Proportional to 13,896,813.18, 19,177,603.98 and 7,702,259.80
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Solution
The fourth proportional to 13,896,813.18, 19,177,603.98 and 7,702,259.80 is: 10,629,119.52
Step by Step Solution
- Step 1: Write the proportion equation
13,896,813.18 : 19,177,603.98 = 7,702,259.80 : x - Step 2: Convert to fraction form
13,896,813.18/19,177,603.98 = 7,702,259.80/x - Step 3: Cross multiply
13,896,813.18x = 19,177,603.98 × 7,702,259.80 - Step 4: Simplify right side
13,896,813.18x = 147,710,888,195,474 - Step 5: Solve for x
x = 147,710,888,195,474/13,896,813.18 - Step 6: Final answer
x = 10,629,119.52
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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.