Finding the Fourth Proportional to 48,390,558.18, 66,778,933.59 and 26,660,526.18
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Solution
The fourth proportional to 48,390,558.18, 66,778,933.59 and 26,660,526.18 is: 36,791,505.91
Step by Step Solution
- Step 1: Write the proportion equation
48,390,558.18 : 66,778,933.59 = 26,660,526.18 : x - Step 2: Convert to fraction form
48,390,558.18/66,778,933.59 = 26,660,526.18/x - Step 3: Cross multiply
48,390,558.18x = 66,778,933.59 × 26,660,526.18 - Step 4: Simplify right side
48,390,558.18x = 1,780,361,507,248,676.50 - Step 5: Solve for x
x = 1,780,361,507,248,676.50/48,390,558.18 - Step 6: Final answer
x = 36,791,505.91
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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.