Finding the Fourth Proportional to 19,584,655.70, 29,358,321.15 and 15,264,310.10
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Solution
The fourth proportional to 19,584,655.70, 29,358,321.15 and 15,264,310.10 is: 22,881,919.65
Step by Step Solution
- Step 1: Write the proportion equation
19,584,655.70 : 29,358,321.15 = 15,264,310.10 : x - Step 2: Convert to fraction form
19,584,655.70/29,358,321.15 = 15,264,310.10/x - Step 3: Cross multiply
19,584,655.70x = 29,358,321.15 × 15,264,310.10 - Step 4: Simplify right side
19,584,655.70x = 448,134,518,048,988.56 - Step 5: Solve for x
x = 448,134,518,048,988.56/19,584,655.70 - Step 6: Final answer
x = 22,881,919.65
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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.