Finding the Fourth Proportional to 11,587,187.85, 15,990,215.63 and 6,360,041.18
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Solution
The fourth proportional to 11,587,187.85, 15,990,215.63 and 6,360,041.18 is: 8,776,799.95
Step by Step Solution
- Step 1: Write the proportion equation
11,587,187.85 : 15,990,215.63 = 6,360,041.18 : x - Step 2: Convert to fraction form
11,587,187.85/15,990,215.63 = 6,360,041.18/x - Step 3: Cross multiply
11,587,187.85x = 15,990,215.63 × 6,360,041.18 - Step 4: Simplify right side
11,587,187.85x = 101,698,429,772,128.36 - Step 5: Solve for x
x = 101,698,429,772,128.36/11,587,187.85 - Step 6: Final answer
x = 8,776,799.95
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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.