Finding the Fourth Proportional to 7,006,898.04, 9,669,505.82 and 3,909,237.08
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Solution
The fourth proportional to 7,006,898.04, 9,669,505.82 and 3,909,237.08 is: 5,394,739.65
Step by Step Solution
- Step 1: Write the proportion equation
7,006,898.04 : 9,669,505.82 = 3,909,237.08 : x - Step 2: Convert to fraction form
7,006,898.04/9,669,505.82 = 3,909,237.08/x - Step 3: Cross multiply
7,006,898.04x = 9,669,505.82 × 3,909,237.08 - Step 4: Simplify right side
7,006,898.04x = 37,800,390,696,819.80 - Step 5: Solve for x
x = 37,800,390,696,819.80/7,006,898.04 - Step 6: Final answer
x = 5,394,739.65
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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.