Finding the Fourth Proportional to 9,617,263.32, 13,271,823.12 and 5,266,615.68
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Solution
The fourth proportional to 9,617,263.32, 13,271,823.12 and 5,266,615.68 is: 7,267,929.50
Step by Step Solution
- Step 1: Write the proportion equation
9,617,263.32 : 13,271,823.12 = 5,266,615.68 : x - Step 2: Convert to fraction form
9,617,263.32/13,271,823.12 = 5,266,615.68/x - Step 3: Cross multiply
9,617,263.32x = 13,271,823.12 × 5,266,615.68 - Step 4: Simplify right side
9,617,263.32x = 69,897,591,745,978.52 - Step 5: Solve for x
x = 69,897,591,745,978.52/9,617,263.32 - Step 6: Final answer
x = 7,267,929.50
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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.