Finding the Fourth Proportional to 31,931,225.36, 47,927,119.22 and 19,763,883.62
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Solution
The fourth proportional to 31,931,225.36, 47,927,119.22 and 19,763,883.62 is: 29,664,568.01
Step by Step Solution
- Step 1: Write the proportion equation
31,931,225.36 : 47,927,119.22 = 19,763,883.62 : x - Step 2: Convert to fraction form
31,931,225.36/47,927,119.22 = 19,763,883.62/x - Step 3: Cross multiply
31,931,225.36x = 47,927,119.22 × 19,763,883.62 - Step 4: Simplify right side
31,931,225.36x = 947,226,006,167,490.12 - Step 5: Solve for x
x = 947,226,006,167,490.12/31,931,225.36 - Step 6: Final answer
x = 29,664,568.01
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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.