Finding the Fourth Proportional to 35,593,432.74, 49,119,323.93 and 20,909,717.90
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Solution
The fourth proportional to 35,593,432.74, 49,119,323.93 and 20,909,717.90 is: 28,855,637.90
Step by Step Solution
- Step 1: Write the proportion equation
35,593,432.74 : 49,119,323.93 = 20,909,717.90 : x - Step 2: Convert to fraction form
35,593,432.74/49,119,323.93 = 20,909,717.90/x - Step 3: Cross multiply
35,593,432.74x = 49,119,323.93 × 20,909,717.90 - Step 4: Simplify right side
35,593,432.74x = 1,027,071,206,815,019.25 - Step 5: Solve for x
x = 1,027,071,206,815,019.25/35,593,432.74 - Step 6: Final answer
x = 28,855,637.90
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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.