Finding the Fourth Proportional to 28,142,609.63, 42,221,192.36 and 16,480,829.97
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Solution
The fourth proportional to 28,142,609.63, 42,221,192.36 and 16,480,829.97 is: 24,725,507.04
Step by Step Solution
- Step 1: Write the proportion equation
28,142,609.63 : 42,221,192.36 = 16,480,829.97 : x - Step 2: Convert to fraction form
28,142,609.63/42,221,192.36 = 16,480,829.97/x - Step 3: Cross multiply
28,142,609.63x = 42,221,192.36 × 16,480,829.97 - Step 4: Simplify right side
28,142,609.63x = 695,840,292,333,418.88 - Step 5: Solve for x
x = 695,840,292,333,418.88/28,142,609.63 - Step 6: Final answer
x = 24,725,507.04
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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.