Finding the Fourth Proportional to 19,937,461.02, 27,518,815.02 and 12,985,461.87
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Solution
The fourth proportional to 19,937,461.02, 27,518,815.02 and 12,985,461.87 is: 17,923,271.31
Step by Step Solution
- Step 1: Write the proportion equation
19,937,461.02 : 27,518,815.02 = 12,985,461.87 : x - Step 2: Convert to fraction form
19,937,461.02/27,518,815.02 = 12,985,461.87/x - Step 3: Cross multiply
19,937,461.02x = 27,518,815.02 × 12,985,461.87 - Step 4: Simplify right side
19,937,461.02x = 357,344,523,149,793.25 - Step 5: Solve for x
x = 357,344,523,149,793.25/19,937,461.02 - Step 6: Final answer
x = 17,923,271.31
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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.