Finding the Fourth Proportional to 15,309,539.13, 22,956,335.45 and 7,220,342.70
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Solution
The fourth proportional to 15,309,539.13, 22,956,335.45 and 7,220,342.70 is: 10,826,753.68
Step by Step Solution
- Step 1: Write the proportion equation
15,309,539.13 : 22,956,335.45 = 7,220,342.70 : x - Step 2: Convert to fraction form
15,309,539.13/22,956,335.45 = 7,220,342.70/x - Step 3: Cross multiply
15,309,539.13x = 22,956,335.45 × 7,220,342.70 - Step 4: Simplify right side
15,309,539.13x = 165,752,609,085,158.72 - Step 5: Solve for x
x = 165,752,609,085,158.72/15,309,539.13 - Step 6: Final answer
x = 10,826,753.68
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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.