Finding the Fourth Proportional to 14,579,875.96, 21,869,664.08 and 8,427,943.20
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Solution
The fourth proportional to 14,579,875.96, 21,869,664.08 and 8,427,943.20 is: 12,641,828.17
Step by Step Solution
- Step 1: Write the proportion equation
14,579,875.96 : 21,869,664.08 = 8,427,943.20 : x - Step 2: Convert to fraction form
14,579,875.96/21,869,664.08 = 8,427,943.20/x - Step 3: Cross multiply
14,579,875.96x = 21,869,664.08 × 8,427,943.20 - Step 4: Simplify right side
14,579,875.96x = 184,316,286,669,320.22 - Step 5: Solve for x
x = 184,316,286,669,320.22/14,579,875.96 - Step 6: Final answer
x = 12,641,828.17
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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.