Finding the Fourth Proportional to 20,119,012.08, 27,762,653.71 and 11,417,184.66
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Solution
The fourth proportional to 20,119,012.08, 27,762,653.71 and 11,417,184.66 is: 15,754,816.53
Step by Step Solution
- Step 1: Write the proportion equation
20,119,012.08 : 27,762,653.71 = 11,417,184.66 : x - Step 2: Convert to fraction form
20,119,012.08/27,762,653.71 = 11,417,184.66/x - Step 3: Cross multiply
20,119,012.08x = 27,762,653.71 × 11,417,184.66 - Step 4: Simplify right side
20,119,012.08x = 316,971,344,058,704.12 - Step 5: Solve for x
x = 316,971,344,058,704.12/20,119,012.08 - Step 6: Final answer
x = 15,754,816.53
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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.