Finding the Fourth Proportional to 11,470,852.12, 15,829,775.70 and 6,243,880.20
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Solution
The fourth proportional to 11,470,852.12, 15,829,775.70 and 6,243,880.20 is: 8,616,554.55
Step by Step Solution
- Step 1: Write the proportion equation
11,470,852.12 : 15,829,775.70 = 6,243,880.20 : x - Step 2: Convert to fraction form
11,470,852.12/15,829,775.70 = 6,243,880.20/x - Step 3: Cross multiply
11,470,852.12x = 15,829,775.70 × 6,243,880.20 - Step 4: Simplify right side
11,470,852.12x = 98,839,223,063,671.14 - Step 5: Solve for x
x = 98,839,223,063,671.14/11,470,852.12 - Step 6: Final answer
x = 8,616,554.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.