Finding the Fourth Proportional to 42,497,266.70, 63,745,900.05 and 13,764,023.30
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Solution
The fourth proportional to 42,497,266.70, 63,745,900.05 and 13,764,023.30 is: 20,646,034.95
Step by Step Solution
- Step 1: Write the proportion equation
42,497,266.70 : 63,745,900.05 = 13,764,023.30 : x - Step 2: Convert to fraction form
42,497,266.70/63,745,900.05 = 13,764,023.30/x - Step 3: Cross multiply
42,497,266.70x = 63,745,900.05 × 13,764,023.30 - Step 4: Simplify right side
42,497,266.70x = 877,400,053,567,671.12 - Step 5: Solve for x
x = 877,400,053,567,671.12/42,497,266.70 - Step 6: Final answer
x = 20,646,034.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.