Finding the Fourth Proportional to 19,343,468.28, 28,991,287.58 and 9,761,587.05
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Solution
The fourth proportional to 19,343,468.28, 28,991,287.58 and 9,761,587.05 is: 14,630,312.07
Step by Step Solution
- Step 1: Write the proportion equation
19,343,468.28 : 28,991,287.58 = 9,761,587.05 : x - Step 2: Convert to fraction form
19,343,468.28/28,991,287.58 = 9,761,587.05/x - Step 3: Cross multiply
19,343,468.28x = 28,991,287.58 × 9,761,587.05 - Step 4: Simplify right side
19,343,468.28x = 283,000,977,518,581.94 - Step 5: Solve for x
x = 283,000,977,518,581.94/19,343,468.28 - Step 6: Final answer
x = 14,630,312.07
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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.