Finding the Fourth Proportional to 16,272,237.18, 22,454,203.20 and 9,655,685.58
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Solution
The fourth proportional to 16,272,237.18, 22,454,203.20 and 9,655,685.58 is: 13,323,965.45
Step by Step Solution
- Step 1: Write the proportion equation
16,272,237.18 : 22,454,203.20 = 9,655,685.58 : x - Step 2: Convert to fraction form
16,272,237.18/22,454,203.20 = 9,655,685.58/x - Step 3: Cross multiply
16,272,237.18x = 22,454,203.20 × 9,655,685.58 - Step 4: Simplify right side
16,272,237.18x = 216,810,726,048,629.84 - Step 5: Solve for x
x = 216,810,726,048,629.84/16,272,237.18 - Step 6: Final answer
x = 13,323,965.45
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1.5x scale
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.