Finding the Fourth Proportional to 21,708,118.84, 32,555,264.55 and 7,131,654.84
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Solution
The fourth proportional to 21,708,118.84, 32,555,264.55 and 7,131,654.84 is: 10,695,210.94
Step by Step Solution
- Step 1: Write the proportion equation
21,708,118.84 : 32,555,264.55 = 7,131,654.84 : x - Step 2: Convert to fraction form
21,708,118.84/32,555,264.55 = 7,131,654.84/x - Step 3: Cross multiply
21,708,118.84x = 32,555,264.55 × 7,131,654.84 - Step 4: Simplify right side
21,708,118.84x = 232,172,909,982,116.06 - Step 5: Solve for x
x = 232,172,909,982,116.06/21,708,118.84 - Step 6: Final answer
x = 10,695,210.94
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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.