Finding the Fourth Proportional to 11,487,290.80, 15,852,461.52 and 6,330,652.36
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Solution
The fourth proportional to 11,487,290.80, 15,852,461.52 and 6,330,652.36 is: 8,736,300.38
Step by Step Solution
- Step 1: Write the proportion equation
11,487,290.80 : 15,852,461.52 = 6,330,652.36 : x - Step 2: Convert to fraction form
11,487,290.80/15,852,461.52 = 6,330,652.36/x - Step 3: Cross multiply
11,487,290.80x = 15,852,461.52 × 6,330,652.36 - Step 4: Simplify right side
11,487,290.80x = 100,356,422,933,397.19 - Step 5: Solve for x
x = 100,356,422,933,397.19/11,487,290.80 - Step 6: Final answer
x = 8,736,300.38
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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.