Finding the Fourth Proportional to 19,055,246.60, 28,566,802.74 and 8,264,420.12
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Solution
The fourth proportional to 19,055,246.60, 28,566,802.74 and 8,264,420.12 is: 12,389,661.72
Step by Step Solution
- Step 1: Write the proportion equation
19,055,246.60 : 28,566,802.74 = 8,264,420.12 : x - Step 2: Convert to fraction form
19,055,246.60/28,566,802.74 = 8,264,420.12/x - Step 3: Cross multiply
19,055,246.60x = 28,566,802.74 × 8,264,420.12 - Step 4: Simplify right side
19,055,246.60x = 236,088,059,328,527.12 - Step 5: Solve for x
x = 236,088,059,328,527.12/19,055,246.60 - Step 6: Final answer
x = 12,389,661.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.