Finding the Fourth Proportional to 39,904,823.04, 59,873,045.76 and 20,747,662.08
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Solution
The fourth proportional to 39,904,823.04, 59,873,045.76 and 20,747,662.08 is: 31,129,713.82
Step by Step Solution
- Step 1: Write the proportion equation
39,904,823.04 : 59,873,045.76 = 20,747,662.08 : x - Step 2: Convert to fraction form
39,904,823.04/59,873,045.76 = 20,747,662.08/x - Step 3: Cross multiply
39,904,823.04x = 59,873,045.76 × 20,747,662.08 - Step 4: Simplify right side
39,904,823.04x = 1,242,225,721,128,856.75 - Step 5: Solve for x
x = 1,242,225,721,128,856.75/39,904,823.04 - Step 6: Final answer
x = 31,129,713.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.