Finding the Fourth Proportional to 13,544,053.46, 18,689,873.63 and 7,432,875.62
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Solution
The fourth proportional to 13,544,053.46, 18,689,873.63 and 7,432,875.62 is: 10,256,863.39
Step by Step Solution
- Step 1: Write the proportion equation
13,544,053.46 : 18,689,873.63 = 7,432,875.62 : x - Step 2: Convert to fraction form
13,544,053.46/18,689,873.63 = 7,432,875.62/x - Step 3: Cross multiply
13,544,053.46x = 18,689,873.63 × 7,432,875.62 - Step 4: Simplify right side
13,544,053.46x = 138,919,506,045,307.89 - Step 5: Solve for x
x = 138,919,506,045,307.89/13,544,053.46 - Step 6: Final answer
x = 10,256,863.39
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1.5x scale
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.