Finding the Fourth Proportional to 19,048,061.10, 26,286,536.79 and 11,209,305.90
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Solution
The fourth proportional to 19,048,061.10, 26,286,536.79 and 11,209,305.90 is: 15,468,967.18
Step by Step Solution
- Step 1: Write the proportion equation
19,048,061.10 : 26,286,536.79 = 11,209,305.90 : x - Step 2: Convert to fraction form
19,048,061.10/26,286,536.79 = 11,209,305.90/x - Step 3: Cross multiply
19,048,061.10x = 26,286,536.79 × 11,209,305.90 - Step 4: Simplify right side
19,048,061.10x = 294,653,831,930,714.06 - Step 5: Solve for x
x = 294,653,831,930,714.06/19,048,061.10 - Step 6: Final answer
x = 15,468,967.18
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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.