Finding the Fourth Proportional to 19,105,675.74, 28,634,590.56 and 15,046,130.80
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Solution
The fourth proportional to 19,105,675.74, 28,634,590.56 and 15,046,130.80 is: 22,550,356.29
Step by Step Solution
- Step 1: Write the proportion equation
19,105,675.74 : 28,634,590.56 = 15,046,130.80 : x - Step 2: Convert to fraction form
19,105,675.74/28,634,590.56 = 15,046,130.80/x - Step 3: Cross multiply
19,105,675.74x = 28,634,590.56 × 15,046,130.80 - Step 4: Simplify right side
19,105,675.74x = 430,839,795,062,421.44 - Step 5: Solve for x
x = 430,839,795,062,421.44/19,105,675.74 - Step 6: Final answer
x = 22,550,356.29
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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.