Finding the Fourth Proportional to 26,416,510.65, 39,624,765.98 and 9,378,905.85
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Solution
The fourth proportional to 26,416,510.65, 39,624,765.98 and 9,378,905.85 is: 14,068,358.78
Step by Step Solution
- Step 1: Write the proportion equation
26,416,510.65 : 39,624,765.98 = 9,378,905.85 : x - Step 2: Convert to fraction form
26,416,510.65/39,624,765.98 = 9,378,905.85/x - Step 3: Cross multiply
26,416,510.65x = 39,624,765.98 × 9,378,905.85 - Step 4: Simplify right side
26,416,510.65x = 371,636,949,407,808.44 - Step 5: Solve for x
x = 371,636,949,407,808.44/26,416,510.65 - Step 6: Final answer
x = 14,068,358.78
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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.