Finding the Fourth Proportional to 51,135,886.14, 70,567,443.99 and 27,931,013.34
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Solution
The fourth proportional to 51,135,886.14, 70,567,443.99 and 27,931,013.34 is: 38,544,755.32
Step by Step Solution
- Step 1: Write the proportion equation
51,135,886.14 : 70,567,443.99 = 27,931,013.34 : x - Step 2: Convert to fraction form
51,135,886.14/70,567,443.99 = 27,931,013.34/x - Step 3: Cross multiply
51,135,886.14x = 70,567,443.99 × 27,931,013.34 - Step 4: Simplify right side
51,135,886.14x = 1,971,020,219,454,392.75 - Step 5: Solve for x
x = 1,971,020,219,454,392.75/51,135,886.14 - Step 6: Final answer
x = 38,544,755.32
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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.