Finding the Fourth Proportional to 26,154,023.68, 39,232,511.16 and 7,958,811.88
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Solution
The fourth proportional to 26,154,023.68, 39,232,511.16 and 7,958,811.88 is: 11,938,666.87
Step by Step Solution
- Step 1: Write the proportion equation
26,154,023.68 : 39,232,511.16 = 7,958,811.88 : x - Step 2: Convert to fraction form
26,154,023.68/39,232,511.16 = 7,958,811.88/x - Step 3: Cross multiply
26,154,023.68x = 39,232,511.16 × 7,958,811.88 - Step 4: Simplify right side
26,154,023.68x = 312,244,175,902,440.56 - Step 5: Solve for x
x = 312,244,175,902,440.56/26,154,023.68 - Step 6: Final answer
x = 11,938,666.87
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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.