Finding the Fourth Proportional to 7,509,679.16, 10,363,560.98 and 4,246,981.81
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Solution
The fourth proportional to 7,509,679.16, 10,363,560.98 and 4,246,981.81 is: 5,860,950.12
Step by Step Solution
- Step 1: Write the proportion equation
7,509,679.16 : 10,363,560.98 = 4,246,981.81 : x - Step 2: Convert to fraction form
7,509,679.16/10,363,560.98 = 4,246,981.81/x - Step 3: Cross multiply
7,509,679.16x = 10,363,560.98 × 4,246,981.81 - Step 4: Simplify right side
7,509,679.16x = 44,013,854,921,741.96 - Step 5: Solve for x
x = 44,013,854,921,741.96/7,509,679.16 - Step 6: Final answer
x = 5,860,950.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.