Finding the Fourth Proportional to 7,128,683.96, 10,687,383.47 and 2,579,024.12
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Solution
The fourth proportional to 7,128,683.96, 10,687,383.47 and 2,579,024.12 is: 3,866,494.84
Step by Step Solution
- Step 1: Write the proportion equation
7,128,683.96 : 10,687,383.47 = 2,579,024.12 : x - Step 2: Convert to fraction form
7,128,683.96/10,687,383.47 = 2,579,024.12/x - Step 3: Cross multiply
7,128,683.96x = 10,687,383.47 × 2,579,024.12 - Step 4: Simplify right side
7,128,683.96x = 27,563,019,701,829.94 - Step 5: Solve for x
x = 27,563,019,701,829.94/7,128,683.96 - Step 6: Final answer
x = 3,866,494.84
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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.