Finding the Fourth Proportional to 9,680,435.58, 13,358,493.68 and 5,328,671.88
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Solution
The fourth proportional to 9,680,435.58, 13,358,493.68 and 5,328,671.88 is: 7,353,287.88
Step by Step Solution
- Step 1: Write the proportion equation
9,680,435.58 : 13,358,493.68 = 5,328,671.88 : x - Step 2: Convert to fraction form
9,680,435.58/13,358,493.68 = 5,328,671.88/x - Step 3: Cross multiply
9,680,435.58x = 13,358,493.68 × 5,328,671.88 - Step 4: Simplify right side
9,680,435.58x = 71,183,029,605,130.36 - Step 5: Solve for x
x = 71,183,029,605,130.36/9,680,435.58 - Step 6: Final answer
x = 7,353,287.88
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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.