Finding the Fourth Proportional to 14,658,966.65, 20,231,802.36 and 8,134,691.84
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Solution
The fourth proportional to 14,658,966.65, 20,231,802.36 and 8,134,691.84 is: 11,227,222.33
Step by Step Solution
- Step 1: Write the proportion equation
14,658,966.65 : 20,231,802.36 = 8,134,691.84 : x - Step 2: Convert to fraction form
14,658,966.65/20,231,802.36 = 8,134,691.84/x - Step 3: Cross multiply
14,658,966.65x = 20,231,802.36 × 8,134,691.84 - Step 4: Simplify right side
14,658,966.65x = 164,579,477,677,781.78 - Step 5: Solve for x
x = 164,579,477,677,781.78/14,658,966.65 - Step 6: Final answer
x = 11,227,222.33
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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.