Finding the Fourth Proportional to 14,380,485.58, 19,845,038.64 and 7,854,115.60
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Solution
The fourth proportional to 14,380,485.58, 19,845,038.64 and 7,854,115.60 is: 10,838,662.35
Step by Step Solution
- Step 1: Write the proportion equation
14,380,485.58 : 19,845,038.64 = 7,854,115.60 : x - Step 2: Convert to fraction form
14,380,485.58/19,845,038.64 = 7,854,115.60/x - Step 3: Cross multiply
14,380,485.58x = 19,845,038.64 × 7,854,115.60 - Step 4: Simplify right side
14,380,485.58x = 155,865,227,565,026.78 - Step 5: Solve for x
x = 155,865,227,565,026.78/14,380,485.58 - Step 6: Final answer
x = 10,838,662.35
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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.