Finding the Fourth Proportional to 19,584,030.30, 29,376,045.45 and 8,220,702.30
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Solution
The fourth proportional to 19,584,030.30, 29,376,045.45 and 8,220,702.30 is: 12,331,053.45
Step by Step Solution
- Step 1: Write the proportion equation
19,584,030.30 : 29,376,045.45 = 8,220,702.30 : x - Step 2: Convert to fraction form
19,584,030.30/29,376,045.45 = 8,220,702.30/x - Step 3: Cross multiply
19,584,030.30x = 29,376,045.45 × 8,220,702.30 - Step 4: Simplify right side
19,584,030.30x = 241,491,724,395,719.53 - Step 5: Solve for x
x = 241,491,724,395,719.53/19,584,030.30 - Step 6: Final answer
x = 12,331,053.45
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1.5x scale
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.