Finding the Fourth Proportional to 10,704,454.56, 14,768,529.12 and 6,117,508.80
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Solution
The fourth proportional to 10,704,454.56, 14,768,529.12 and 6,117,508.80 is: 8,440,094.39
Step by Step Solution
- Step 1: Write the proportion equation
10,704,454.56 : 14,768,529.12 = 6,117,508.80 : x - Step 2: Convert to fraction form
10,704,454.56/14,768,529.12 = 6,117,508.80/x - Step 3: Cross multiply
10,704,454.56x = 14,768,529.12 × 6,117,508.80 - Step 4: Simplify right side
10,704,454.56x = 90,346,606,854,656.25 - Step 5: Solve for x
x = 90,346,606,854,656.25/10,704,454.56 - Step 6: Final answer
x = 8,440,094.39
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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.