Finding the Fourth Proportional to 10,430,305.04, 15,649,953.08 and 5,641,365.53
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Solution
The fourth proportional to 10,430,305.04, 15,649,953.08 and 5,641,365.53 is: 8,464,479.75
Step by Step Solution
- Step 1: Write the proportion equation
10,430,305.04 : 15,649,953.08 = 5,641,365.53 : x - Step 2: Convert to fraction form
10,430,305.04/15,649,953.08 = 5,641,365.53/x - Step 3: Cross multiply
10,430,305.04x = 15,649,953.08 × 5,641,365.53 - Step 4: Simplify right side
10,430,305.04x = 88,287,105,862,547.38 - Step 5: Solve for x
x = 88,287,105,862,547.38/10,430,305.04 - Step 6: Final answer
x = 8,464,479.75
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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.