Finding the Fourth Proportional to 13,187,457.48, 19,779,390.41 and 3,471,256.79
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Solution
The fourth proportional to 13,187,457.48, 19,779,390.41 and 3,471,256.79 is: 5,206,412.48
Step by Step Solution
- Step 1: Write the proportion equation
13,187,457.48 : 19,779,390.41 = 3,471,256.79 : x - Step 2: Convert to fraction form
13,187,457.48/19,779,390.41 = 3,471,256.79/x - Step 3: Cross multiply
13,187,457.48x = 19,779,390.41 × 3,471,256.79 - Step 4: Simplify right side
13,187,457.48x = 68,659,343,220,692.86 - Step 5: Solve for x
x = 68,659,343,220,692.86/13,187,457.48 - Step 6: Final answer
x = 5,206,412.48
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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.