Finding the Fourth Proportional to 19,541,937.30, 29,312,905.95 and 14,440,103.70
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Solution
The fourth proportional to 19,541,937.30, 29,312,905.95 and 14,440,103.70 is: 21,660,155.55
Step by Step Solution
- Step 1: Write the proportion equation
19,541,937.30 : 29,312,905.95 = 14,440,103.70 : x - Step 2: Convert to fraction form
19,541,937.30/29,312,905.95 = 14,440,103.70/x - Step 3: Cross multiply
19,541,937.30x = 29,312,905.95 × 14,440,103.70 - Step 4: Simplify right side
19,541,937.30x = 423,281,401,666,347 - Step 5: Solve for x
x = 423,281,401,666,347/19,541,937.30 - Step 6: Final answer
x = 21,660,155.55
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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.