Finding the Fourth Proportional to 19,248,775.68, 28,873,163.52 and 6,469,280.40
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Solution
The fourth proportional to 19,248,775.68, 28,873,163.52 and 6,469,280.40 is: 9,703,920.60
Step by Step Solution
- Step 1: Write the proportion equation
19,248,775.68 : 28,873,163.52 = 6,469,280.40 : x - Step 2: Convert to fraction form
19,248,775.68/28,873,163.52 = 6,469,280.40/x - Step 3: Cross multiply
19,248,775.68x = 28,873,163.52 × 6,469,280.40 - Step 4: Simplify right side
19,248,775.68x = 186,788,590,845,931.03 - Step 5: Solve for x
x = 186,788,590,845,931.03/19,248,775.68 - Step 6: Final answer
x = 9,703,920.60
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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.