Finding the Fourth Proportional to 40,506,974.44, 55,899,706.98 and 22,173,430.12
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Solution
The fourth proportional to 40,506,974.44, 55,899,706.98 and 22,173,430.12 is: 30,599,378.59
Step by Step Solution
- Step 1: Write the proportion equation
40,506,974.44 : 55,899,706.98 = 22,173,430.12 : x - Step 2: Convert to fraction form
40,506,974.44/55,899,706.98 = 22,173,430.12/x - Step 3: Cross multiply
40,506,974.44x = 55,899,706.98 × 22,173,430.12 - Step 4: Simplify right side
40,506,974.44x = 1,239,488,246,449,506.25 - Step 5: Solve for x
x = 1,239,488,246,449,506.25/40,506,974.44 - Step 6: Final answer
x = 30,599,378.59
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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.