Finding the Fourth Proportional to 19,584,735.20, 29,358,440.40 and 15,264,389.60
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Solution
The fourth proportional to 19,584,735.20, 29,358,440.40 and 15,264,389.60 is: 22,882,038.88
Step by Step Solution
- Step 1: Write the proportion equation
19,584,735.20 : 29,358,440.40 = 15,264,389.60 : x - Step 2: Convert to fraction form
19,584,735.20/29,358,440.40 = 15,264,389.60/x - Step 3: Cross multiply
19,584,735.20x = 29,358,440.40 × 15,264,389.60 - Step 4: Simplify right side
19,584,735.20x = 448,138,672,313,979.81 - Step 5: Solve for x
x = 448,138,672,313,979.81/19,584,735.20 - Step 6: Final answer
x = 22,882,038.88
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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.