Finding the Fourth Proportional to 8,996,721.36, 12,402,562.08 and 6,413,918.08
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Solution
The fourth proportional to 8,996,721.36, 12,402,562.08 and 6,413,918.08 is: 8,842,000.77
Step by Step Solution
- Step 1: Write the proportion equation
8,996,721.36 : 12,402,562.08 = 6,413,918.08 : x - Step 2: Convert to fraction form
8,996,721.36/12,402,562.08 = 6,413,918.08/x - Step 3: Cross multiply
8,996,721.36x = 12,402,562.08 × 6,413,918.08 - Step 4: Simplify right side
8,996,721.36x = 79,549,017,163,234.41 - Step 5: Solve for x
x = 79,549,017,163,234.41/8,996,721.36 - Step 6: Final answer
x = 8,842,000.77
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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.