Finding the Fourth Proportional to 10,638,599.28, 14,671,301.40 and 8,470,300.08
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Solution
The fourth proportional to 10,638,599.28, 14,671,301.40 and 8,470,300.08 is: 11,681,079.64
Step by Step Solution
- Step 1: Write the proportion equation
10,638,599.28 : 14,671,301.40 = 8,470,300.08 : x - Step 2: Convert to fraction form
10,638,599.28/14,671,301.40 = 8,470,300.08/x - Step 3: Cross multiply
10,638,599.28x = 14,671,301.40 × 8,470,300.08 - Step 4: Simplify right side
10,638,599.28x = 124,270,325,422,124.11 - Step 5: Solve for x
x = 124,270,325,422,124.11/10,638,599.28 - Step 6: Final answer
x = 11,681,079.64
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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.