Finding the Fourth Proportional to 19,432,842.90, 29,149,264.35 and 15,653,706.90
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Solution
The fourth proportional to 19,432,842.90, 29,149,264.35 and 15,653,706.90 is: 23,480,560.35
Step by Step Solution
- Step 1: Write the proportion equation
19,432,842.90 : 29,149,264.35 = 15,653,706.90 : x - Step 2: Convert to fraction form
19,432,842.90/29,149,264.35 = 15,653,706.90/x - Step 3: Cross multiply
19,432,842.90x = 29,149,264.35 × 15,653,706.90 - Step 4: Simplify right side
19,432,842.90x = 456,294,040,485,519.06 - Step 5: Solve for x
x = 456,294,040,485,519.06/19,432,842.90 - Step 6: Final answer
x = 23,480,560.35
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1.5x scale
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.