Finding the Fourth Proportional to 19,656,009.30, 29,484,013.95 and 14,554,175.70
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Solution
The fourth proportional to 19,656,009.30, 29,484,013.95 and 14,554,175.70 is: 21,831,263.55
Step by Step Solution
- Step 1: Write the proportion equation
19,656,009.30 : 29,484,013.95 = 14,554,175.70 : x - Step 2: Convert to fraction form
19,656,009.30/29,484,013.95 = 14,554,175.70/x - Step 3: Cross multiply
19,656,009.30x = 29,484,013.95 × 14,554,175.70 - Step 4: Simplify right side
19,656,009.30x = 429,115,519,369,551 - Step 5: Solve for x
x = 429,115,519,369,551/19,656,009.30 - Step 6: Final answer
x = 21,831,263.55
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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.