Finding the Fourth Proportional to 10,502,456.40, 15,754,866.12 and 3,311,862.84
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Solution
The fourth proportional to 10,502,456.40, 15,754,866.12 and 3,311,862.84 is: 4,968,166.84
Step by Step Solution
- Step 1: Write the proportion equation
10,502,456.40 : 15,754,866.12 = 3,311,862.84 : x - Step 2: Convert to fraction form
10,502,456.40/15,754,866.12 = 3,311,862.84/x - Step 3: Cross multiply
10,502,456.40x = 15,754,866.12 × 3,311,862.84 - Step 4: Simplify right side
10,502,456.40x = 52,177,955,652,002.98 - Step 5: Solve for x
x = 52,177,955,652,002.98/10,502,456.40 - Step 6: Final answer
x = 4,968,166.84
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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.