Finding the Fourth Proportional to 11,712,052.99, 16,160,336.28 and 7,358,617.09
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Solution
The fourth proportional to 11,712,052.99, 16,160,336.28 and 7,358,617.09 is: 10,153,448.49
Step by Step Solution
- Step 1: Write the proportion equation
11,712,052.99 : 16,160,336.28 = 7,358,617.09 : x - Step 2: Convert to fraction form
11,712,052.99/16,160,336.28 = 7,358,617.09/x - Step 3: Cross multiply
11,712,052.99x = 16,160,336.28 × 7,358,617.09 - Step 4: Simplify right side
11,712,052.99x = 118,917,726,730,155.02 - Step 5: Solve for x
x = 118,917,726,730,155.02/11,712,052.99 - Step 6: Final answer
x = 10,153,448.49
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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.