Finding the Fourth Proportional to 27,507,395.98, 37,960,079.29 and 15,746,599.50
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Solution
The fourth proportional to 27,507,395.98, 37,960,079.29 and 15,746,599.50 is: 21,730,234.51
Step by Step Solution
- Step 1: Write the proportion equation
27,507,395.98 : 37,960,079.29 = 15,746,599.50 : x - Step 2: Convert to fraction form
27,507,395.98/37,960,079.29 = 15,746,599.50/x - Step 3: Cross multiply
27,507,395.98x = 37,960,079.29 × 15,746,599.50 - Step 4: Simplify right side
27,507,395.98x = 597,742,165,386,157.62 - Step 5: Solve for x
x = 597,742,165,386,157.62/27,507,395.98 - Step 6: Final answer
x = 21,730,234.51
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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.