Finding the Fourth Proportional to 42,318,865.44, 63,484,276.08 and 13,558,273.20
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Solution
The fourth proportional to 42,318,865.44, 63,484,276.08 and 13,558,273.20 is: 20,339,325.03
Step by Step Solution
- Step 1: Write the proportion equation
42,318,865.44 : 63,484,276.08 = 13,558,273.20 : x - Step 2: Convert to fraction form
42,318,865.44/63,484,276.08 = 13,558,273.20/x - Step 3: Cross multiply
42,318,865.44x = 63,484,276.08 × 13,558,273.20 - Step 4: Simplify right side
42,318,865.44x = 860,737,158,996,865 - Step 5: Solve for x
x = 860,737,158,996,865/42,318,865.44 - Step 6: Final answer
x = 20,339,325.03
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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.