Finding the Fourth Proportional to 45,664,509.87, 68,508,195.54 and 13,316,416.08
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Solution
The fourth proportional to 45,664,509.87, 68,508,195.54 and 13,316,416.08 is: 19,977,957.48
Step by Step Solution
- Step 1: Write the proportion equation
45,664,509.87 : 68,508,195.54 = 13,316,416.08 : x - Step 2: Convert to fraction form
45,664,509.87/68,508,195.54 = 13,316,416.08/x - Step 3: Cross multiply
45,664,509.87x = 68,508,195.54 × 13,316,416.08 - Step 4: Simplify right side
45,664,509.87x = 912,283,636,700,640.38 - Step 5: Solve for x
x = 912,283,636,700,640.38/45,664,509.87 - Step 6: Final answer
x = 19,977,957.48
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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.