Finding the Fourth Proportional to 8,756,875.20, 13,107,319.20 and 6,237,451.20
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Solution
The fourth proportional to 8,756,875.20, 13,107,319.20 and 6,237,451.20 is: 9,336,237.19
Step by Step Solution
- Step 1: Write the proportion equation
8,756,875.20 : 13,107,319.20 = 6,237,451.20 : x - Step 2: Convert to fraction form
8,756,875.20/13,107,319.20 = 6,237,451.20/x - Step 3: Cross multiply
8,756,875.20x = 13,107,319.20 × 6,237,451.20 - Step 4: Simplify right side
8,756,875.20x = 81,756,263,872,823.03 - Step 5: Solve for x
x = 81,756,263,872,823.03/8,756,875.20 - Step 6: Final answer
x = 9,336,237.19
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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.