Finding the Fourth Proportional to 17,688,909.12, 26,538,340.32 and 6,330,972.48
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Solution
The fourth proportional to 17,688,909.12, 26,538,340.32 and 6,330,972.48 is: 9,498,239.89
Step by Step Solution
- Step 1: Write the proportion equation
17,688,909.12 : 26,538,340.32 = 6,330,972.48 : x - Step 2: Convert to fraction form
17,688,909.12/26,538,340.32 = 6,330,972.48/x - Step 3: Cross multiply
17,688,909.12x = 26,538,340.32 × 6,330,972.48 - Step 4: Simplify right side
17,688,909.12x = 168,013,502,230,794.41 - Step 5: Solve for x
x = 168,013,502,230,794.41/17,688,909.12 - Step 6: Final answer
x = 9,498,239.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.