Finding the Fourth Proportional to 19,559,845.80, 29,316,149.10 and 9,970,288.20
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Solution
The fourth proportional to 19,559,845.80, 29,316,149.10 and 9,970,288.20 is: 14,943,392.62
Step by Step Solution
- Step 1: Write the proportion equation
19,559,845.80 : 29,316,149.10 = 9,970,288.20 : x - Step 2: Convert to fraction form
19,559,845.80/29,316,149.10 = 9,970,288.20/x - Step 3: Cross multiply
19,559,845.80x = 29,316,149.10 × 9,970,288.20 - Step 4: Simplify right side
19,559,845.80x = 292,290,455,441,170.62 - Step 5: Solve for x
x = 292,290,455,441,170.62/19,559,845.80 - Step 6: Final answer
x = 14,943,392.62
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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.