Finding the Fourth Proportional to 19,513,056.66, 29,258,239.44 and 7,383,457.12
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Solution
The fourth proportional to 19,513,056.66, 29,258,239.44 and 7,383,457.12 is: 11,070,892.69
Step by Step Solution
- Step 1: Write the proportion equation
19,513,056.66 : 29,258,239.44 = 7,383,457.12 : x - Step 2: Convert to fraction form
19,513,056.66/29,258,239.44 = 7,383,457.12/x - Step 3: Cross multiply
19,513,056.66x = 29,258,239.44 × 7,383,457.12 - Step 4: Simplify right side
19,513,056.66x = 216,026,956,311,932.81 - Step 5: Solve for x
x = 216,026,956,311,932.81/19,513,056.66 - Step 6: Final answer
x = 11,070,892.69
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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.