Finding the Fourth Proportional to 34,178,754.16, 47,166,695.68 and 18,708,927.04
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Solution
The fourth proportional to 34,178,754.16, 47,166,695.68 and 18,708,927.04 is: 25,818,327.49
Step by Step Solution
- Step 1: Write the proportion equation
34,178,754.16 : 47,166,695.68 = 18,708,927.04 : x - Step 2: Convert to fraction form
34,178,754.16/47,166,695.68 = 18,708,927.04/x - Step 3: Cross multiply
34,178,754.16x = 47,166,695.68 × 18,708,927.04 - Step 4: Simplify right side
34,178,754.16x = 882,438,268,195,003.12 - Step 5: Solve for x
x = 882,438,268,195,003.12/34,178,754.16 - Step 6: Final answer
x = 25,818,327.49
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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.