Finding the Fourth Proportional to 7,563,639.06, 10,438,693.02 and 4,211,143.02
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Solution
The fourth proportional to 7,563,639.06, 10,438,693.02 and 4,211,143.02 is: 5,811,862.37
Step by Step Solution
- Step 1: Write the proportion equation
7,563,639.06 : 10,438,693.02 = 4,211,143.02 : x - Step 2: Convert to fraction form
7,563,639.06/10,438,693.02 = 4,211,143.02/x - Step 3: Cross multiply
7,563,639.06x = 10,438,693.02 × 4,211,143.02 - Step 4: Simplify right side
7,563,639.06x = 43,958,829,249,095.71 - Step 5: Solve for x
x = 43,958,829,249,095.71/7,563,639.06 - Step 6: Final answer
x = 5,811,862.37
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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.