Finding the Fourth Proportional to 7,321,248.58, 10,103,305.62 and 4,013,537.02
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Solution
The fourth proportional to 7,321,248.58, 10,103,305.62 and 4,013,537.02 is: 5,538,671.54
Step by Step Solution
- Step 1: Write the proportion equation
7,321,248.58 : 10,103,305.62 = 4,013,537.02 : x - Step 2: Convert to fraction form
7,321,248.58/10,103,305.62 = 4,013,537.02/x - Step 3: Cross multiply
7,321,248.58x = 10,103,305.62 × 4,013,537.02 - Step 4: Simplify right side
7,321,248.58x = 40,549,991,130,244.05 - Step 5: Solve for x
x = 40,549,991,130,244.05/7,321,248.58 - Step 6: Final answer
x = 5,538,671.54
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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.