Finding the Fourth Proportional to 10,249,228.80, 15,366,844.80 and 4,860,460.80
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Solution
The fourth proportional to 10,249,228.80, 15,366,844.80 and 4,860,460.80 is: 7,287,372.37
Step by Step Solution
- Step 1: Write the proportion equation
10,249,228.80 : 15,366,844.80 = 4,860,460.80 : x - Step 2: Convert to fraction form
10,249,228.80/15,366,844.80 = 4,860,460.80/x - Step 3: Cross multiply
10,249,228.80x = 15,366,844.80 × 4,860,460.80 - Step 4: Simplify right side
10,249,228.80x = 74,689,946,770,083.84 - Step 5: Solve for x
x = 74,689,946,770,083.84/10,249,228.80 - Step 6: Final answer
x = 7,287,372.37
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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.