Finding the Fourth Proportional to 19,509,460.62, 29,248,240.41 and 7,372,048.02
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Solution
The fourth proportional to 19,509,460.62, 29,248,240.41 and 7,372,048.02 is: 11,052,044.80
Step by Step Solution
- Step 1: Write the proportion equation
19,509,460.62 : 29,248,240.41 = 7,372,048.02 : x - Step 2: Convert to fraction form
19,509,460.62/29,248,240.41 = 7,372,048.02/x - Step 3: Cross multiply
19,509,460.62x = 29,248,240.41 × 7,372,048.02 - Step 4: Simplify right side
19,509,460.62x = 215,619,432,803,024.47 - Step 5: Solve for x
x = 215,619,432,803,024.47/19,509,460.62 - Step 6: Final answer
x = 11,052,044.80
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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.