Finding the Fourth Proportional to 32,132,848.80, 48,184,066.80 and 18,673,802.40
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Solution
The fourth proportional to 32,132,848.80, 48,184,066.80 and 18,673,802.40 is: 28,001,866.50
Step by Step Solution
- Step 1: Write the proportion equation
32,132,848.80 : 48,184,066.80 = 18,673,802.40 : x - Step 2: Convert to fraction form
32,132,848.80/48,184,066.80 = 18,673,802.40/x - Step 3: Cross multiply
32,132,848.80x = 48,184,066.80 × 18,673,802.40 - Step 4: Simplify right side
32,132,848.80x = 899,779,742,251,600.25 - Step 5: Solve for x
x = 899,779,742,251,600.25/32,132,848.80 - Step 6: Final answer
x = 28,001,866.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.