Finding the Fourth Proportional to 13,310,878.92, 19,968,526.80 and 4,672,740.12
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Solution
The fourth proportional to 13,310,878.92, 19,968,526.80 and 4,672,740.12 is: 7,009,885.44
Step by Step Solution
- Step 1: Write the proportion equation
13,310,878.92 : 19,968,526.80 = 4,672,740.12 : x - Step 2: Convert to fraction form
13,310,878.92/19,968,526.80 = 4,672,740.12/x - Step 3: Cross multiply
13,310,878.92x = 19,968,526.80 × 4,672,740.12 - Step 4: Simplify right side
13,310,878.92x = 93,307,736,315,655.22 - Step 5: Solve for x
x = 93,307,736,315,655.22/13,310,878.92 - Step 6: Final answer
x = 7,009,885.44
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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.