Finding the Fourth Proportional to 10,704,781.70, 16,052,506.95 and 4,312,909.70
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Solution
The fourth proportional to 10,704,781.70, 16,052,506.95 and 4,312,909.70 is: 6,467,484.80
Step by Step Solution
- Step 1: Write the proportion equation
10,704,781.70 : 16,052,506.95 = 4,312,909.70 : x - Step 2: Convert to fraction form
10,704,781.70/16,052,506.95 = 4,312,909.70/x - Step 3: Cross multiply
10,704,781.70x = 16,052,506.95 × 4,312,909.70 - Step 4: Simplify right side
10,704,781.70x = 69,233,012,933,972.41 - Step 5: Solve for x
x = 69,233,012,933,972.41/10,704,781.70 - Step 6: Final answer
x = 6,467,484.80
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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.