Finding the Fourth Proportional to 33,779,831.90, 50,669,753.11 and 8,220,841.20
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Solution
The fourth proportional to 33,779,831.90, 50,669,753.11 and 8,220,841.20 is: 12,331,263.08
Step by Step Solution
- Step 1: Write the proportion equation
33,779,831.90 : 50,669,753.11 = 8,220,841.20 : x - Step 2: Convert to fraction form
33,779,831.90/50,669,753.11 = 8,220,841.20/x - Step 3: Cross multiply
33,779,831.90x = 50,669,753.11 × 8,220,841.20 - Step 4: Simplify right side
33,779,831.90x = 416,547,993,939,964.06 - Step 5: Solve for x
x = 416,547,993,939,964.06/33,779,831.90 - Step 6: Final answer
x = 12,331,263.08
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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.