Finding the Fourth Proportional to 13,838,400.60, 20,769,410.70 and 6,173,840.40
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Solution
The fourth proportional to 13,838,400.60, 20,769,410.70 and 6,173,840.40 is: 9,266,029.40
Step by Step Solution
- Step 1: Write the proportion equation
13,838,400.60 : 20,769,410.70 = 6,173,840.40 : x - Step 2: Convert to fraction form
13,838,400.60/20,769,410.70 = 6,173,840.40/x - Step 3: Cross multiply
13,838,400.60x = 20,769,410.70 × 6,173,840.40 - Step 4: Simplify right side
13,838,400.60x = 128,227,026,863,852.28 - Step 5: Solve for x
x = 128,227,026,863,852.28/13,838,400.60 - Step 6: Final answer
x = 9,266,029.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.