Finding the Fourth Proportional to 19,319,775.84, 26,660,726.88 and 11,059,564.32
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Solution
The fourth proportional to 19,319,775.84, 26,660,726.88 and 11,059,564.32 is: 15,261,876.03
Step by Step Solution
- Step 1: Write the proportion equation
19,319,775.84 : 26,660,726.88 = 11,059,564.32 : x - Step 2: Convert to fraction form
19,319,775.84/26,660,726.88 = 11,059,564.32/x - Step 3: Cross multiply
19,319,775.84x = 26,660,726.88 × 11,059,564.32 - Step 4: Simplify right side
19,319,775.84x = 294,856,023,747,312.94 - Step 5: Solve for x
x = 294,856,023,747,312.94/19,319,775.84 - Step 6: Final answer
x = 15,261,876.03
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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.