Finding the Fourth Proportional to 13,252,923.70, 19,872,387.15 and 5,671,323.70
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Solution
The fourth proportional to 13,252,923.70, 19,872,387.15 and 5,671,323.70 is: 8,503,990.72
Step by Step Solution
- Step 1: Write the proportion equation
13,252,923.70 : 19,872,387.15 = 5,671,323.70 : x - Step 2: Convert to fraction form
13,252,923.70/19,872,387.15 = 5,671,323.70/x - Step 3: Cross multiply
13,252,923.70x = 19,872,387.15 × 5,671,323.70 - Step 4: Simplify right side
13,252,923.70x = 112,702,740,219,370.45 - Step 5: Solve for x
x = 112,702,740,219,370.45/13,252,923.70 - Step 6: Final answer
x = 8,503,990.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.