Finding the Fourth Proportional to 15,185,222.40, 22,779,831.60 and 5,607,328.80
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Solution
The fourth proportional to 15,185,222.40, 22,779,831.60 and 5,607,328.80 is: 8,411,730.99
Step by Step Solution
- Step 1: Write the proportion equation
15,185,222.40 : 22,779,831.60 = 5,607,328.80 : x - Step 2: Convert to fraction form
15,185,222.40/22,779,831.60 = 5,607,328.80/x - Step 3: Cross multiply
15,185,222.40x = 22,779,831.60 × 5,607,328.80 - Step 4: Simplify right side
15,185,222.40x = 127,734,005,789,830.08 - Step 5: Solve for x
x = 127,734,005,789,830.08/15,185,222.40 - Step 6: Final answer
x = 8,411,730.99
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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.