Finding the Fourth Proportional to 10,872,140.91, 14,991,227.87 and 6,946,710.95
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Solution
The fourth proportional to 10,872,140.91, 14,991,227.87 and 6,946,710.95 is: 9,578,585.08
Step by Step Solution
- Step 1: Write the proportion equation
10,872,140.91 : 14,991,227.87 = 6,946,710.95 : x - Step 2: Convert to fraction form
10,872,140.91/14,991,227.87 = 6,946,710.95/x - Step 3: Cross multiply
10,872,140.91x = 14,991,227.87 × 6,946,710.95 - Step 4: Simplify right side
10,872,140.91x = 104,139,726,688,784.48 - Step 5: Solve for x
x = 104,139,726,688,784.48/10,872,140.91 - Step 6: Final answer
x = 9,578,585.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.