Finding the Fourth Proportional to 13,307,293.56, 18,364,043.34 and 7,506,057.36
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Solution
The fourth proportional to 13,307,293.56, 18,364,043.34 and 7,506,057.36 is: 10,358,346.88
Step by Step Solution
- Step 1: Write the proportion equation
13,307,293.56 : 18,364,043.34 = 7,506,057.36 : x - Step 2: Convert to fraction form
13,307,293.56/18,364,043.34 = 7,506,057.36/x - Step 3: Cross multiply
13,307,293.56x = 18,364,043.34 × 7,506,057.36 - Step 4: Simplify right side
13,307,293.56x = 137,841,562,671,565.98 - Step 5: Solve for x
x = 137,841,562,671,565.98/13,307,293.56 - Step 6: Final answer
x = 10,358,346.88
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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.