Finding the Fourth Proportional to 10,366,319.30, 15,549,478.95 and 4,974,052.10
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Solution
The fourth proportional to 10,366,319.30, 15,549,478.95 and 4,974,052.10 is: 7,461,078.15
Step by Step Solution
- Step 1: Write the proportion equation
10,366,319.30 : 15,549,478.95 = 4,974,052.10 : x - Step 2: Convert to fraction form
10,366,319.30/15,549,478.95 = 4,974,052.10/x - Step 3: Cross multiply
10,366,319.30x = 15,549,478.95 × 4,974,052.10 - Step 4: Simplify right side
10,366,319.30x = 77,343,918,425,153.28 - Step 5: Solve for x
x = 77,343,918,425,153.28/10,366,319.30 - Step 6: Final answer
x = 7,461,078.15
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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.