Finding the Fourth Proportional to 19,423,208.13, 26,804,023.17 and 10,721,378.45
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Solution
The fourth proportional to 19,423,208.13, 26,804,023.17 and 10,721,378.45 is: 14,795,500.02
Step by Step Solution
- Step 1: Write the proportion equation
19,423,208.13 : 26,804,023.17 = 10,721,378.45 : x - Step 2: Convert to fraction form
19,423,208.13/26,804,023.17 = 10,721,378.45/x - Step 3: Cross multiply
19,423,208.13x = 26,804,023.17 × 10,721,378.45 - Step 4: Simplify right side
19,423,208.13x = 287,376,076,254,118.62 - Step 5: Solve for x
x = 287,376,076,254,118.62/19,423,208.13 - Step 6: Final answer
x = 14,795,500.02
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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.