Finding the Fourth Proportional to 10,584,386.70, 15,856,547.13 and 6,253,485.18
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Solution
The fourth proportional to 10,584,386.70, 15,856,547.13 and 6,253,485.18 is: 9,368,391.89
Step by Step Solution
- Step 1: Write the proportion equation
10,584,386.70 : 15,856,547.13 = 6,253,485.18 : x - Step 2: Convert to fraction form
10,584,386.70/15,856,547.13 = 6,253,485.18/x - Step 3: Cross multiply
10,584,386.70x = 15,856,547.13 × 6,253,485.18 - Step 4: Simplify right side
10,584,386.70x = 99,158,682,483,426.53 - Step 5: Solve for x
x = 99,158,682,483,426.53/10,584,386.70 - Step 6: Final answer
x = 9,368,391.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.