Finding the Fourth Proportional to 9,947,228.81, 14,920,842.40 and 2,758,762.63
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Solution
The fourth proportional to 9,947,228.81, 14,920,842.40 and 2,758,762.63 is: 4,138,143.72
Step by Step Solution
- Step 1: Write the proportion equation
9,947,228.81 : 14,920,842.40 = 2,758,762.63 : x - Step 2: Convert to fraction form
9,947,228.81/14,920,842.40 = 2,758,762.63/x - Step 3: Cross multiply
9,947,228.81x = 14,920,842.40 × 2,758,762.63 - Step 4: Simplify right side
9,947,228.81x = 41,163,062,421,239.51 - Step 5: Solve for x
x = 41,163,062,421,239.51/9,947,228.81 - Step 6: Final answer
x = 4,138,143.72
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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.