Finding the Fourth Proportional to 19,643,774.80, 29,415,895.80 and 15,662,462.80
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Solution
The fourth proportional to 19,643,774.80, 29,415,895.80 and 15,662,462.80 is: 23,454,014.23
Step by Step Solution
- Step 1: Write the proportion equation
19,643,774.80 : 29,415,895.80 = 15,662,462.80 : x - Step 2: Convert to fraction form
19,643,774.80/29,415,895.80 = 15,662,462.80/x - Step 3: Cross multiply
19,643,774.80x = 29,415,895.80 × 15,662,462.80 - Step 4: Simplify right side
19,643,774.80x = 460,725,373,696,176.25 - Step 5: Solve for x
x = 460,725,373,696,176.25/19,643,774.80 - Step 6: Final answer
x = 23,454,014.23
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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.