Finding the Fourth Proportional to 8,742,029.80, 13,113,044.70 and 4,962,893.80
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Solution
The fourth proportional to 8,742,029.80, 13,113,044.70 and 4,962,893.80 is: 7,444,340.70
Step by Step Solution
- Step 1: Write the proportion equation
8,742,029.80 : 13,113,044.70 = 4,962,893.80 : x - Step 2: Convert to fraction form
8,742,029.80/13,113,044.70 = 4,962,893.80/x - Step 3: Cross multiply
8,742,029.80x = 13,113,044.70 × 4,962,893.80 - Step 4: Simplify right side
8,742,029.80x = 65,078,648,240,752.85 - Step 5: Solve for x
x = 65,078,648,240,752.85/8,742,029.80 - Step 6: Final answer
x = 7,444,340.70
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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.