Finding the Fourth Proportional to 13,148,419.10, 19,709,215.05 and 8,889,017.90
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Solution
The fourth proportional to 13,148,419.10, 19,709,215.05 and 8,889,017.90 is: 13,324,458.56
Step by Step Solution
- Step 1: Write the proportion equation
13,148,419.10 : 19,709,215.05 = 8,889,017.90 : x - Step 2: Convert to fraction form
13,148,419.10/19,709,215.05 = 8,889,017.90/x - Step 3: Cross multiply
13,148,419.10x = 19,709,215.05 × 8,889,017.90 - Step 4: Simplify right side
13,148,419.10x = 175,195,565,374,399.41 - Step 5: Solve for x
x = 175,195,565,374,399.41/13,148,419.10 - Step 6: Final answer
x = 13,324,458.56
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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.