Finding the Fourth Proportional to 10,130,251.16, 13,979,750.95 and 5,484,036.08
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Solution
The fourth proportional to 10,130,251.16, 13,979,750.95 and 5,484,036.08 is: 7,567,972.15
Step by Step Solution
- Step 1: Write the proportion equation
10,130,251.16 : 13,979,750.95 = 5,484,036.08 : x - Step 2: Convert to fraction form
10,130,251.16/13,979,750.95 = 5,484,036.08/x - Step 3: Cross multiply
10,130,251.16x = 13,979,750.95 × 5,484,036.08 - Step 4: Simplify right side
10,130,251.16x = 76,665,458,641,018.69 - Step 5: Solve for x
x = 76,665,458,641,018.69/10,130,251.16 - Step 6: Final answer
x = 7,567,972.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.