Finding the Fourth Proportional to 10,157,484.38, 15,239,326.73 and 3,240,779.76
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Solution
The fourth proportional to 10,157,484.38, 15,239,326.73 and 3,240,779.76 is: 4,862,158.76
Step by Step Solution
- Step 1: Write the proportion equation
10,157,484.38 : 15,239,326.73 = 3,240,779.76 : x - Step 2: Convert to fraction form
10,157,484.38/15,239,326.73 = 3,240,779.76/x - Step 3: Cross multiply
10,157,484.38x = 15,239,326.73 × 3,240,779.76 - Step 4: Simplify right side
10,157,484.38x = 49,387,301,606,407.08 - Step 5: Solve for x
x = 49,387,301,606,407.08/10,157,484.38 - Step 6: Final answer
x = 4,862,158.76
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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.