Finding the Fourth Proportional to 7,860,743.20, 10,848,037.44 and 4,423,106.08
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Solution
The fourth proportional to 7,860,743.20, 10,848,037.44 and 4,423,106.08 is: 6,104,005.58
Step by Step Solution
- Step 1: Write the proportion equation
7,860,743.20 : 10,848,037.44 = 4,423,106.08 : x - Step 2: Convert to fraction form
7,860,743.20/10,848,037.44 = 4,423,106.08/x - Step 3: Cross multiply
7,860,743.20x = 10,848,037.44 × 4,423,106.08 - Step 4: Simplify right side
7,860,743.20x = 47,982,020,356,931.63 - Step 5: Solve for x
x = 47,982,020,356,931.63/7,860,743.20 - Step 6: Final answer
x = 6,104,005.58
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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.