Finding the Fourth Proportional to 19,423,028.04, 26,803,780.26 and 10,721,203.08
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Solution
The fourth proportional to 19,423,028.04, 26,803,780.26 and 10,721,203.08 is: 14,795,261.11
Step by Step Solution
- Step 1: Write the proportion equation
19,423,028.04 : 26,803,780.26 = 10,721,203.08 : x - Step 2: Convert to fraction form
19,423,028.04/26,803,780.26 = 10,721,203.08/x - Step 3: Cross multiply
19,423,028.04x = 26,803,780.26 × 10,721,203.08 - Step 4: Simplify right side
19,423,028.04x = 287,368,771,479,155.25 - Step 5: Solve for x
x = 287,368,771,479,155.25/19,423,028.04 - Step 6: Final answer
x = 14,795,261.11
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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.