Finding the Fourth Proportional to 10,218,829.84, 15,303,344.60 and 6,758,461.38
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Solution
The fourth proportional to 10,218,829.84, 15,303,344.60 and 6,758,461.38 is: 10,121,223.77
Step by Step Solution
- Step 1: Write the proportion equation
10,218,829.84 : 15,303,344.60 = 6,758,461.38 : x - Step 2: Convert to fraction form
10,218,829.84/15,303,344.60 = 6,758,461.38/x - Step 3: Cross multiply
10,218,829.84x = 15,303,344.60 × 6,758,461.38 - Step 4: Simplify right side
10,218,829.84x = 103,427,063,463,931.55 - Step 5: Solve for x
x = 103,427,063,463,931.55/10,218,829.84 - Step 6: Final answer
x = 10,121,223.77
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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.