Finding the Fourth Proportional to 11,470,660.93, 15,829,929.74 and 6,243,416.43
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Solution
The fourth proportional to 11,470,660.93, 15,829,929.74 and 6,243,416.43 is: 8,616,141.99
Step by Step Solution
- Step 1: Write the proportion equation
11,470,660.93 : 15,829,929.74 = 6,243,416.43 : x - Step 2: Convert to fraction form
11,470,660.93/15,829,929.74 = 6,243,416.43/x - Step 3: Cross multiply
11,470,660.93x = 15,829,929.74 × 6,243,416.43 - Step 4: Simplify right side
11,470,660.93x = 98,832,843,345,588.70 - Step 5: Solve for x
x = 98,832,843,345,588.70/11,470,660.93 - Step 6: Final answer
x = 8,616,141.99
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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.