Finding the Fourth Proportional to 7,297,518.12, 10,068,904.28 and 4,356,762.88
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Solution
The fourth proportional to 7,297,518.12, 10,068,904.28 and 4,356,762.88 is: 6,011,335.32
Step by Step Solution
- Step 1: Write the proportion equation
7,297,518.12 : 10,068,904.28 = 4,356,762.88 : x - Step 2: Convert to fraction form
7,297,518.12/10,068,904.28 = 4,356,762.88/x - Step 3: Cross multiply
7,297,518.12x = 10,068,904.28 × 4,356,762.88 - Step 4: Simplify right side
7,297,518.12x = 43,867,828,409,377.12 - Step 5: Solve for x
x = 43,867,828,409,377.12/7,297,518.12 - Step 6: Final answer
x = 6,011,335.32
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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.