Finding the Fourth Proportional to 13,329,725.36, 19,995,281.05 and 4,232,535.96
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Solution
The fourth proportional to 13,329,725.36, 19,995,281.05 and 4,232,535.96 is: 6,349,023.98
Step by Step Solution
- Step 1: Write the proportion equation
13,329,725.36 : 19,995,281.05 = 4,232,535.96 : x - Step 2: Convert to fraction form
13,329,725.36/19,995,281.05 = 4,232,535.96/x - Step 3: Cross multiply
13,329,725.36x = 19,995,281.05 × 4,232,535.96 - Step 4: Simplify right side
13,329,725.36x = 84,630,745,966,156.45 - Step 5: Solve for x
x = 84,630,745,966,156.45/13,329,725.36 - Step 6: Final answer
x = 6,349,023.98
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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.