Finding the Fourth Proportional to 22,470,159.84, 31,030,236.45 and 21,246,001.12
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Solution
The fourth proportional to 22,470,159.84, 31,030,236.45 and 21,246,001.12 is: 29,339,730.70
Step by Step Solution
- Step 1: Write the proportion equation
22,470,159.84 : 31,030,236.45 = 21,246,001.12 : x - Step 2: Convert to fraction form
22,470,159.84/31,030,236.45 = 21,246,001.12/x - Step 3: Cross multiply
22,470,159.84x = 31,030,236.45 × 21,246,001.12 - Step 4: Simplify right side
22,470,159.84x = 659,268,438,482,822 - Step 5: Solve for x
x = 659,268,438,482,822/22,470,159.84 - Step 6: Final answer
x = 29,339,730.70
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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.