Finding the Fourth Proportional to 21,564,305.60, 32,257,984.80 and 19,440,939.20
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Solution
The fourth proportional to 21,564,305.60, 32,257,984.80 and 19,440,939.20 is: 29,081,646.91
Step by Step Solution
- Step 1: Write the proportion equation
21,564,305.60 : 32,257,984.80 = 19,440,939.20 : x - Step 2: Convert to fraction form
21,564,305.60/32,257,984.80 = 19,440,939.20/x - Step 3: Cross multiply
21,564,305.60x = 32,257,984.80 × 19,440,939.20 - Step 4: Simplify right side
21,564,305.60x = 627,125,521,211,324.12 - Step 5: Solve for x
x = 627,125,521,211,324.12/21,564,305.60 - Step 6: Final answer
x = 29,081,646.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.