Finding the Fourth Proportional to 10,699,768.84, 14,765,681.94 and 6,116,190.28
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Solution
The fourth proportional to 10,699,768.84, 14,765,681.94 and 6,116,190.28 is: 8,440,343.12
Step by Step Solution
- Step 1: Write the proportion equation
10,699,768.84 : 14,765,681.94 = 6,116,190.28 : x - Step 2: Convert to fraction form
10,699,768.84/14,765,681.94 = 6,116,190.28/x - Step 3: Cross multiply
10,699,768.84x = 14,765,681.94 × 6,116,190.28 - Step 4: Simplify right side
10,699,768.84x = 90,309,720,358,999.55 - Step 5: Solve for x
x = 90,309,720,358,999.55/10,699,768.84 - Step 6: Final answer
x = 8,440,343.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.