Finding the Fourth Proportional to 11,103,038.76, 15,316,283.34 and 6,753,455.40
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Solution
The fourth proportional to 11,103,038.76, 15,316,283.34 and 6,753,455.40 is: 9,316,173.59
Step by Step Solution
- Step 1: Write the proportion equation
11,103,038.76 : 15,316,283.34 = 6,753,455.40 : x - Step 2: Convert to fraction form
11,103,038.76/15,316,283.34 = 6,753,455.40/x - Step 3: Cross multiply
11,103,038.76x = 15,316,283.34 × 6,753,455.40 - Step 4: Simplify right side
11,103,038.76x = 103,437,836,430,453.05 - Step 5: Solve for x
x = 103,437,836,430,453.05/11,103,038.76 - Step 6: Final answer
x = 9,316,173.59
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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.