Finding the Fourth Proportional to 48,921,763.41, 73,378,828.80 and 28,438,417.80
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Solution
The fourth proportional to 48,921,763.41, 73,378,828.80 and 28,438,417.80 is: 42,655,408.26
Step by Step Solution
- Step 1: Write the proportion equation
48,921,763.41 : 73,378,828.80 = 28,438,417.80 : x - Step 2: Convert to fraction form
48,921,763.41/73,378,828.80 = 28,438,417.80/x - Step 3: Cross multiply
48,921,763.41x = 73,378,828.80 × 28,438,417.80 - Step 4: Simplify right side
48,921,763.41x = 2,086,777,791,089,072.50 - Step 5: Solve for x
x = 2,086,777,791,089,072.50/48,921,763.41 - Step 6: Final answer
x = 42,655,408.26
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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.