Finding the Fourth Proportional to 14,235,811.29, 21,387,783.17 and 9,128,248.11
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Solution
The fourth proportional to 14,235,811.29, 21,387,783.17 and 9,128,248.11 is: 13,714,216.02
Step by Step Solution
- Step 1: Write the proportion equation
14,235,811.29 : 21,387,783.17 = 9,128,248.11 : x - Step 2: Convert to fraction form
14,235,811.29/21,387,783.17 = 9,128,248.11/x - Step 3: Cross multiply
14,235,811.29x = 21,387,783.17 × 9,128,248.11 - Step 4: Simplify right side
14,235,811.29x = 195,232,991,321,462.91 - Step 5: Solve for x
x = 195,232,991,321,462.91/14,235,811.29 - Step 6: Final answer
x = 13,714,216.02
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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.