Finding the Fourth Proportional to 26,125,820.65, 39,204,012.37 and 9,742,423.60
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Solution
The fourth proportional to 26,125,820.65, 39,204,012.37 and 9,742,423.60 is: 14,619,333.90
Step by Step Solution
- Step 1: Write the proportion equation
26,125,820.65 : 39,204,012.37 = 9,742,423.60 : x - Step 2: Convert to fraction form
26,125,820.65/39,204,012.37 = 9,742,423.60/x - Step 3: Cross multiply
26,125,820.65x = 39,204,012.37 × 9,742,423.60 - Step 4: Simplify right side
26,125,820.65x = 381,942,095,371,095.94 - Step 5: Solve for x
x = 381,942,095,371,095.94/26,125,820.65 - Step 6: Final answer
x = 14,619,333.90
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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.