Finding the Fourth Proportional to 47,712,602.64, 65,839,507.64 and 26,803,497.54
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Solution
The fourth proportional to 47,712,602.64, 65,839,507.64 and 26,803,497.54 is: 36,986,644.69
Step by Step Solution
- Step 1: Write the proportion equation
47,712,602.64 : 65,839,507.64 = 26,803,497.54 : x - Step 2: Convert to fraction form
47,712,602.64/65,839,507.64 = 26,803,497.54/x - Step 3: Cross multiply
47,712,602.64x = 65,839,507.64 × 26,803,497.54 - Step 4: Simplify right side
47,712,602.64x = 1,764,729,081,063,551.25 - Step 5: Solve for x
x = 1,764,729,081,063,551.25/47,712,602.64 - Step 6: Final answer
x = 36,986,644.69
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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.