Finding the Fourth Proportional to 52,911,931.41, 79,368,694.91 and 18,369,430.07
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Solution
The fourth proportional to 52,911,931.41, 79,368,694.91 and 18,369,430.07 is: 27,554,422.07
Step by Step Solution
- Step 1: Write the proportion equation
52,911,931.41 : 79,368,694.91 = 18,369,430.07 : x - Step 2: Convert to fraction form
52,911,931.41/79,368,694.91 = 18,369,430.07/x - Step 3: Cross multiply
52,911,931.41x = 79,368,694.91 × 18,369,430.07 - Step 4: Simplify right side
52,911,931.41x = 1,457,957,690,407,719.50 - Step 5: Solve for x
x = 1,457,957,690,407,719.50/52,911,931.41 - Step 6: Final answer
x = 27,554,422.07
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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.