Finding the Fourth Proportional to 8,974,753.48, 13,466,334.12 and 4,423,321.12
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Solution
The fourth proportional to 8,974,753.48, 13,466,334.12 and 4,423,321.12 is: 6,637,053.63
Step by Step Solution
- Step 1: Write the proportion equation
8,974,753.48 : 13,466,334.12 = 4,423,321.12 : x - Step 2: Convert to fraction form
8,974,753.48/13,466,334.12 = 4,423,321.12/x - Step 3: Cross multiply
8,974,753.48x = 13,466,334.12 × 4,423,321.12 - Step 4: Simplify right side
8,974,753.48x = 59,565,920,121,972.61 - Step 5: Solve for x
x = 59,565,920,121,972.61/8,974,753.48 - Step 6: Final answer
x = 6,637,053.63
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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.