Finding the Fourth Proportional to 19,633,686.56, 29,449,422.15 and 8,700,727.31
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Solution
The fourth proportional to 19,633,686.56, 29,449,422.15 and 8,700,727.31 is: 13,050,600.09
Step by Step Solution
- Step 1: Write the proportion equation
19,633,686.56 : 29,449,422.15 = 8,700,727.31 : x - Step 2: Convert to fraction form
19,633,686.56/29,449,422.15 = 8,700,727.31/x - Step 3: Cross multiply
19,633,686.56x = 29,449,422.15 × 8,700,727.31 - Step 4: Simplify right side
19,633,686.56x = 256,231,391,564,223.91 - Step 5: Solve for x
x = 256,231,391,564,223.91/19,633,686.56 - Step 6: Final answer
x = 13,050,600.09
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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.