Finding the Fourth Proportional to 14,400,985.59, 19,869,529.86 and 8,205,899.58
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Solution
The fourth proportional to 14,400,985.59, 19,869,529.86 and 8,205,899.58 is: 11,321,958.88
Step by Step Solution
- Step 1: Write the proportion equation
14,400,985.59 : 19,869,529.86 = 8,205,899.58 : x - Step 2: Convert to fraction form
14,400,985.59/19,869,529.86 = 8,205,899.58/x - Step 3: Cross multiply
14,400,985.59x = 19,869,529.86 × 8,205,899.58 - Step 4: Simplify right side
14,400,985.59x = 163,047,366,732,971.47 - Step 5: Solve for x
x = 163,047,366,732,971.47/14,400,985.59 - Step 6: Final answer
x = 11,321,958.88
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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.