Finding the Fourth Proportional to 12,455,307.59, 18,688,355.07 and 6,691,316.00
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Solution
The fourth proportional to 12,455,307.59, 18,688,355.07 and 6,691,316.00 is: 10,039,871.62
Step by Step Solution
- Step 1: Write the proportion equation
12,455,307.59 : 18,688,355.07 = 6,691,316.00 : x - Step 2: Convert to fraction form
12,455,307.59/18,688,355.07 = 6,691,316.00/x - Step 3: Cross multiply
12,455,307.59x = 18,688,355.07 × 6,691,316.00 - Step 4: Simplify right side
12,455,307.59x = 125,049,689,175,037.91 - Step 5: Solve for x
x = 125,049,689,175,037.91/12,455,307.59 - Step 6: Final answer
x = 10,039,871.62
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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.