Finding the Fourth Proportional to 40,201,955.56, 55,488,552.42 and 22,808,482.12
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Solution
The fourth proportional to 40,201,955.56, 55,488,552.42 and 22,808,482.12 is: 31,481,295.83
Step by Step Solution
- Step 1: Write the proportion equation
40,201,955.56 : 55,488,552.42 = 22,808,482.12 : x - Step 2: Convert to fraction form
40,201,955.56/55,488,552.42 = 22,808,482.12/x - Step 3: Cross multiply
40,201,955.56x = 55,488,552.42 × 22,808,482.12 - Step 4: Simplify right side
40,201,955.56x = 1,265,609,655,736,252.75 - Step 5: Solve for x
x = 1,265,609,655,736,252.75/40,201,955.56 - Step 6: Final answer
x = 31,481,295.83
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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.