Finding the Fourth Proportional to 19,358,013.98, 29,041,395.52 and 6,404,134.26
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Solution
The fourth proportional to 19,358,013.98, 29,041,395.52 and 6,404,134.26 is: 9,607,648.60
Step by Step Solution
- Step 1: Write the proportion equation
19,358,013.98 : 29,041,395.52 = 6,404,134.26 : x - Step 2: Convert to fraction form
19,358,013.98/29,041,395.52 = 6,404,134.26/x - Step 3: Cross multiply
19,358,013.98x = 29,041,395.52 × 6,404,134.26 - Step 4: Simplify right side
19,358,013.98x = 185,984,996,007,842.50 - Step 5: Solve for x
x = 185,984,996,007,842.50/19,358,013.98 - Step 6: Final answer
x = 9,607,648.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.