Finding the Fourth Proportional to 16,470,782.22, 22,729,681.64 and 9,129,088.83
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Solution
The fourth proportional to 16,470,782.22, 22,729,681.64 and 9,129,088.83 is: 12,598,143.79
Step by Step Solution
- Step 1: Write the proportion equation
16,470,782.22 : 22,729,681.64 = 9,129,088.83 : x - Step 2: Convert to fraction form
16,470,782.22/22,729,681.64 = 9,129,088.83/x - Step 3: Cross multiply
16,470,782.22x = 22,729,681.64 × 9,129,088.83 - Step 4: Simplify right side
16,470,782.22x = 207,501,282,792,002.78 - Step 5: Solve for x
x = 207,501,282,792,002.78/16,470,782.22 - Step 6: Final answer
x = 12,598,143.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.