Finding the Fourth Proportional to 8,560,107.74, 11,812,905.34 and 4,639,848.06
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Solution
The fourth proportional to 8,560,107.74, 11,812,905.34 and 4,639,848.06 is: 6,402,966.83
Step by Step Solution
- Step 1: Write the proportion equation
8,560,107.74 : 11,812,905.34 = 4,639,848.06 : x - Step 2: Convert to fraction form
8,560,107.74/11,812,905.34 = 4,639,848.06/x - Step 3: Cross multiply
8,560,107.74x = 11,812,905.34 × 4,639,848.06 - Step 4: Simplify right side
8,560,107.74x = 54,810,085,924,762.63 - Step 5: Solve for x
x = 54,810,085,924,762.63/8,560,107.74 - Step 6: Final answer
x = 6,402,966.83
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1.5x scale
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.