Finding the Fourth Proportional to 28,833,147.04, 39,789,848.36 and 15,602,324.08
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Solution
The fourth proportional to 28,833,147.04, 39,789,848.36 and 15,602,324.08 is: 21,531,264.29
Step by Step Solution
- Step 1: Write the proportion equation
28,833,147.04 : 39,789,848.36 = 15,602,324.08 : x - Step 2: Convert to fraction form
28,833,147.04/39,789,848.36 = 15,602,324.08/x - Step 3: Cross multiply
28,833,147.04x = 39,789,848.36 × 15,602,324.08 - Step 4: Simplify right side
28,833,147.04x = 620,814,109,206,776.50 - Step 5: Solve for x
x = 620,814,109,206,776.50/28,833,147.04 - Step 6: Final answer
x = 21,531,264.29
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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.