Finding the Fourth Proportional to 29,428,237.08, 40,587,960.78 and 19,118,282.04
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Solution
The fourth proportional to 29,428,237.08, 40,587,960.78 and 19,118,282.04 is: 26,368,282.94
Step by Step Solution
- Step 1: Write the proportion equation
29,428,237.08 : 40,587,960.78 = 19,118,282.04 : x - Step 2: Convert to fraction form
29,428,237.08/40,587,960.78 = 19,118,282.04/x - Step 3: Cross multiply
29,428,237.08x = 40,587,960.78 × 19,118,282.04 - Step 4: Simplify right side
29,428,237.08x = 775,972,081,620,498.38 - Step 5: Solve for x
x = 775,972,081,620,498.38/29,428,237.08 - Step 6: Final answer
x = 26,368,282.94
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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.