Finding the Fourth Proportional to 11,023,712.52, 15,207,813.63 and 6,438,010.92
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Solution
The fourth proportional to 11,023,712.52, 15,207,813.63 and 6,438,010.92 is: 8,881,587.76
Step by Step Solution
- Step 1: Write the proportion equation
11,023,712.52 : 15,207,813.63 = 6,438,010.92 : x - Step 2: Convert to fraction form
11,023,712.52/15,207,813.63 = 6,438,010.92/x - Step 3: Cross multiply
11,023,712.52x = 15,207,813.63 × 6,438,010.92 - Step 4: Simplify right side
11,023,712.52x = 97,908,070,219,264.84 - Step 5: Solve for x
x = 97,908,070,219,264.84/11,023,712.52 - Step 6: Final answer
x = 8,881,587.76
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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.