Finding the Fourth Proportional to 52,050,831.36, 71,828,924.85 and 28,845,460.08
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Solution
The fourth proportional to 52,050,831.36, 71,828,924.85 and 28,845,460.08 is: 39,806,057.47
Step by Step Solution
- Step 1: Write the proportion equation
52,050,831.36 : 71,828,924.85 = 28,845,460.08 : x - Step 2: Convert to fraction form
52,050,831.36/71,828,924.85 = 28,845,460.08/x - Step 3: Cross multiply
52,050,831.36x = 71,828,924.85 × 28,845,460.08 - Step 4: Simplify right side
52,050,831.36x = 2,071,938,384,349,994.75 - Step 5: Solve for x
x = 2,071,938,384,349,994.75/52,050,831.36 - Step 6: Final answer
x = 39,806,057.47
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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.