Finding the Fourth Proportional to 14,009,000.70, 21,006,502.65 and 6,427,400.70
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Solution
The fourth proportional to 14,009,000.70, 21,006,502.65 and 6,427,400.70 is: 9,637,890.15
Step by Step Solution
- Step 1: Write the proportion equation
14,009,000.70 : 21,006,502.65 = 6,427,400.70 : x - Step 2: Convert to fraction form
14,009,000.70/21,006,502.65 = 6,427,400.70/x - Step 3: Cross multiply
14,009,000.70x = 21,006,502.65 × 6,427,400.70 - Step 4: Simplify right side
14,009,000.70x = 135,017,209,837,161.84 - Step 5: Solve for x
x = 135,017,209,837,161.84/14,009,000.70 - Step 6: Final answer
x = 9,637,890.15
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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.