Finding the Fourth Proportional to 10,118,955.60, 13,961,921.12 and 6,199,539.84
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Solution
The fourth proportional to 10,118,955.60, 13,961,921.12 and 6,199,539.84 is: 8,553,994.07
Step by Step Solution
- Step 1: Write the proportion equation
10,118,955.60 : 13,961,921.12 = 6,199,539.84 : x - Step 2: Convert to fraction form
10,118,955.60/13,961,921.12 = 6,199,539.84/x - Step 3: Cross multiply
10,118,955.60x = 13,961,921.12 × 6,199,539.84 - Step 4: Simplify right side
10,118,955.60x = 86,557,486,226,377.41 - Step 5: Solve for x
x = 86,557,486,226,377.41/10,118,955.60 - Step 6: Final answer
x = 8,553,994.07
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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.