Finding the Fourth Proportional to 30,502,148.99, 42,092,812.62 and 16,563,379.58
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Solution
The fourth proportional to 30,502,148.99, 42,092,812.62 and 16,563,379.58 is: 22,857,380.74
Step by Step Solution
- Step 1: Write the proportion equation
30,502,148.99 : 42,092,812.62 = 16,563,379.58 : x - Step 2: Convert to fraction form
30,502,148.99/42,092,812.62 = 16,563,379.58/x - Step 3: Cross multiply
30,502,148.99x = 42,092,812.62 × 16,563,379.58 - Step 4: Simplify right side
30,502,148.99x = 697,199,232,804,410.12 - Step 5: Solve for x
x = 697,199,232,804,410.12/30,502,148.99 - Step 6: Final answer
x = 22,857,380.74
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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.