Finding the Fourth Proportional to 7,402,436.90, 11,103,655.35 and 2,354,257.70
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Solution
The fourth proportional to 7,402,436.90, 11,103,655.35 and 2,354,257.70 is: 3,531,386.55
Step by Step Solution
- Step 1: Write the proportion equation
7,402,436.90 : 11,103,655.35 = 2,354,257.70 : x - Step 2: Convert to fraction form
7,402,436.90/11,103,655.35 = 2,354,257.70/x - Step 3: Cross multiply
7,402,436.90x = 11,103,655.35 × 2,354,257.70 - Step 4: Simplify right side
7,402,436.90x = 26,140,866,105,883.70 - Step 5: Solve for x
x = 26,140,866,105,883.70/7,402,436.90 - Step 6: Final answer
x = 3,531,386.55
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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.