Finding the Fourth Proportional to 11,048,657.28, 15,247,913.36 and 6,697,926.96
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Solution
The fourth proportional to 11,048,657.28, 15,247,913.36 and 6,697,926.96 is: 9,243,603.76
Step by Step Solution
- Step 1: Write the proportion equation
11,048,657.28 : 15,247,913.36 = 6,697,926.96 : x - Step 2: Convert to fraction form
11,048,657.28/15,247,913.36 = 6,697,926.96/x - Step 3: Cross multiply
11,048,657.28x = 15,247,913.36 × 6,697,926.96 - Step 4: Simplify right side
11,048,657.28x = 102,129,409,977,688.19 - Step 5: Solve for x
x = 102,129,409,977,688.19/11,048,657.28 - Step 6: Final answer
x = 9,243,603.76
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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.